diff --git a/src/librustc/diagnostics.rs b/src/librustc/diagnostics.rs
index cef1be5cee232..b52224eb5d767 100644
--- a/src/librustc/diagnostics.rs
+++ b/src/librustc/diagnostics.rs
@@ -1708,7 +1708,7 @@ not apply to structs.
 representation of enums isn't strictly defined in Rust, and this attribute
 won't work on enums.
 
-`#[repr(simd)]` will give a struct consisting of a homogenous series of machine
+`#[repr(simd)]` will give a struct consisting of a homogeneous series of machine
 types (i.e. `u8`, `i32`, etc) a representation that permits vectorization via
 SIMD. This doesn't make much sense for enums since they don't consist of a
 single list of data.
diff --git a/src/librustc_trans/abi.rs b/src/librustc_trans/abi.rs
index 120f201a9c8b7..144b484d7e819 100644
--- a/src/librustc_trans/abi.rs
+++ b/src/librustc_trans/abi.rs
@@ -238,7 +238,7 @@ impl Uniform {
 
 pub trait LayoutExt<'tcx> {
     fn is_aggregate(&self) -> bool;
-    fn homogenous_aggregate<'a>(&self, ccx: &CrateContext<'a, 'tcx>) -> Option<Reg>;
+    fn homogeneous_aggregate<'a>(&self, ccx: &CrateContext<'a, 'tcx>) -> Option<Reg>;
 }
 
 impl<'tcx> LayoutExt<'tcx> for TyLayout<'tcx> {
@@ -258,7 +258,7 @@ impl<'tcx> LayoutExt<'tcx> for TyLayout<'tcx> {
         }
     }
 
-    fn homogenous_aggregate<'a>(&self, ccx: &CrateContext<'a, 'tcx>) -> Option<Reg> {
+    fn homogeneous_aggregate<'a>(&self, ccx: &CrateContext<'a, 'tcx>) -> Option<Reg> {
         match *self.layout {
             // The primitives for this algorithm.
             Layout::Scalar { value, .. } |
@@ -291,7 +291,7 @@ impl<'tcx> LayoutExt<'tcx> for TyLayout<'tcx> {
 
             Layout::Array { count, .. } => {
                 if count > 0 {
-                    self.field(ccx, 0).homogenous_aggregate(ccx)
+                    self.field(ccx, 0).homogeneous_aggregate(ccx)
                 } else {
                     None
                 }
@@ -307,8 +307,8 @@ impl<'tcx> LayoutExt<'tcx> for TyLayout<'tcx> {
                     }
 
                     let field = self.field(ccx, i);
-                    match (result, field.homogenous_aggregate(ccx)) {
-                        // The field itself must be a homogenous aggregate.
+                    match (result, field.homogeneous_aggregate(ccx)) {
+                        // The field itself must be a homogeneous aggregate.
                         (_, None) => return None,
                         // If this is the first field, record the unit.
                         (None, Some(unit)) => {
@@ -344,8 +344,8 @@ impl<'tcx> LayoutExt<'tcx> for TyLayout<'tcx> {
 
                 for i in 0..self.field_count() {
                     let field = self.field(ccx, i);
-                    match (result, field.homogenous_aggregate(ccx)) {
-                        // The field itself must be a homogenous aggregate.
+                    match (result, field.homogeneous_aggregate(ccx)) {
+                        // The field itself must be a homogeneous aggregate.
                         (_, None) => return None,
                         // If this is the first field, record the unit.
                         (None, Some(unit)) => {
@@ -830,7 +830,7 @@ impl<'a, 'tcx> FnType<'tcx> {
 
                 let size = arg.layout.size(ccx);
 
-                if let Some(unit) = arg.layout.homogenous_aggregate(ccx) {
+                if let Some(unit) = arg.layout.homogeneous_aggregate(ccx) {
                     // Replace newtypes with their inner-most type.
                     if unit.size == size {
                         // Needs a cast as we've unpacked a newtype.
diff --git a/src/librustc_trans/cabi_aarch64.rs b/src/librustc_trans/cabi_aarch64.rs
index c8c5af714d92a..bf842e6358f87 100644
--- a/src/librustc_trans/cabi_aarch64.rs
+++ b/src/librustc_trans/cabi_aarch64.rs
@@ -11,9 +11,9 @@
 use abi::{FnType, ArgType, LayoutExt, Reg, RegKind, Uniform};
 use context::CrateContext;
 
-fn is_homogenous_aggregate<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tcx>)
+fn is_homogeneous_aggregate<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tcx>)
                                      -> Option<Uniform> {
-    arg.layout.homogenous_aggregate(ccx).and_then(|unit| {
+    arg.layout.homogeneous_aggregate(ccx).and_then(|unit| {
         let size = arg.layout.size(ccx);
 
         // Ensure we have at most four uniquely addressable members.
@@ -43,7 +43,7 @@ fn classify_ret_ty<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, ret: &mut ArgType<'tc
         ret.extend_integer_width_to(32);
         return;
     }
-    if let Some(uniform) = is_homogenous_aggregate(ccx, ret) {
+    if let Some(uniform) = is_homogeneous_aggregate(ccx, ret) {
         ret.cast_to(ccx, uniform);
         return;
     }
@@ -74,7 +74,7 @@ fn classify_arg_ty<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tc
         arg.extend_integer_width_to(32);
         return;
     }
-    if let Some(uniform) = is_homogenous_aggregate(ccx, arg) {
+    if let Some(uniform) = is_homogeneous_aggregate(ccx, arg) {
         arg.cast_to(ccx, uniform);
         return;
     }
diff --git a/src/librustc_trans/cabi_asmjs.rs b/src/librustc_trans/cabi_asmjs.rs
index f05dda8bce21a..6fcd3ed581d27 100644
--- a/src/librustc_trans/cabi_asmjs.rs
+++ b/src/librustc_trans/cabi_asmjs.rs
@@ -18,7 +18,7 @@ use context::CrateContext;
 
 fn classify_ret_ty<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, ret: &mut ArgType<'tcx>) {
     if ret.layout.is_aggregate() {
-        if let Some(unit) = ret.layout.homogenous_aggregate(ccx) {
+        if let Some(unit) = ret.layout.homogeneous_aggregate(ccx) {
             let size = ret.layout.size(ccx);
             if unit.size == size {
                 ret.cast_to(ccx, Uniform {
diff --git a/src/librustc_trans/cabi_powerpc64.rs b/src/librustc_trans/cabi_powerpc64.rs
index c4f8d0b4b9637..5c695387236fa 100644
--- a/src/librustc_trans/cabi_powerpc64.rs
+++ b/src/librustc_trans/cabi_powerpc64.rs
@@ -15,9 +15,9 @@
 use abi::{FnType, ArgType, LayoutExt, Reg, RegKind, Uniform};
 use context::CrateContext;
 
-fn is_homogenous_aggregate<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tcx>)
+fn is_homogeneous_aggregate<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tcx>)
                                      -> Option<Uniform> {
-    arg.layout.homogenous_aggregate(ccx).and_then(|unit| {
+    arg.layout.homogeneous_aggregate(ccx).and_then(|unit| {
         let size = arg.layout.size(ccx);
 
         // Ensure we have at most eight uniquely addressable members.
@@ -53,7 +53,7 @@ fn classify_ret_ty<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, ret: &mut ArgType<'tc
         ret.make_indirect(ccx);
     }
 
-    if let Some(uniform) = is_homogenous_aggregate(ccx, ret) {
+    if let Some(uniform) = is_homogeneous_aggregate(ccx, ret) {
         ret.cast_to(ccx, uniform);
         return;
     }
@@ -86,7 +86,7 @@ fn classify_arg_ty<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tc
         return;
     }
 
-    if let Some(uniform) = is_homogenous_aggregate(ccx, arg) {
+    if let Some(uniform) = is_homogeneous_aggregate(ccx, arg) {
         arg.cast_to(ccx, uniform);
         return;
     }
diff --git a/src/librustc_trans/cabi_sparc64.rs b/src/librustc_trans/cabi_sparc64.rs
index b75fa97f948ec..8383007550e1e 100644
--- a/src/librustc_trans/cabi_sparc64.rs
+++ b/src/librustc_trans/cabi_sparc64.rs
@@ -13,9 +13,9 @@
 use abi::{FnType, ArgType, LayoutExt, Reg, RegKind, Uniform};
 use context::CrateContext;
 
-fn is_homogenous_aggregate<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tcx>)
+fn is_homogeneous_aggregate<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tcx>)
                                      -> Option<Uniform> {
-    arg.layout.homogenous_aggregate(ccx).and_then(|unit| {
+    arg.layout.homogeneous_aggregate(ccx).and_then(|unit| {
         let size = arg.layout.size(ccx);
 
         // Ensure we have at most eight uniquely addressable members.
@@ -46,7 +46,7 @@ fn classify_ret_ty<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, ret: &mut ArgType<'tc
         return;
     }
 
-    if let Some(uniform) = is_homogenous_aggregate(ccx, ret) {
+    if let Some(uniform) = is_homogeneous_aggregate(ccx, ret) {
         ret.cast_to(ccx, uniform);
         return;
     }
@@ -80,7 +80,7 @@ fn classify_arg_ty<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, arg: &mut ArgType<'tc
         return;
     }
 
-    if let Some(uniform) = is_homogenous_aggregate(ccx, arg) {
+    if let Some(uniform) = is_homogeneous_aggregate(ccx, arg) {
         arg.cast_to(ccx, uniform);
         return;
     }
diff --git a/src/librustc_trans/cabi_x86.rs b/src/librustc_trans/cabi_x86.rs
index 9f5520dabe334..8b024b8c97fa0 100644
--- a/src/librustc_trans/cabi_x86.rs
+++ b/src/librustc_trans/cabi_x86.rs
@@ -74,7 +74,7 @@ pub fn compute_abi_info<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>,
             if arg.is_ignore() || arg.is_indirect() { continue; }
 
             // At this point we know this must be a primitive of sorts.
-            let unit = arg.layout.homogenous_aggregate(ccx).unwrap();
+            let unit = arg.layout.homogeneous_aggregate(ccx).unwrap();
             let size = arg.layout.size(ccx);
             assert_eq!(unit.size, size);
             if unit.kind == RegKind::Float {