Word frequencies come from this website.
# freq word pronunciation
521174 un (un)
291383 sono (ˈsono)
204090 cosa (ˈk⊃sa)
186605 come (ˈkome)
170403 io (ˈio)
149049 questo (ˈkwesto)
140200 hai (ˈai)
140019 bene (ˈbεne)
138657 sei (ˈsεi)
138657 sei (ˈsεi)
...
The original source is the Carnegie Mellon University Pronuncing Dictionary. Instead of IPA it uses its own pronunciation guide. The table explaining what each letter means is on their website.
# freq word pronunciation
6281002 you Y UW
5685306 i AY
4768490 the DH AH
3453407 to T UW
3048287 a AH
2879962 it IH T
2127187 and AH N D
2030642 that DH AE T
1847884 of AH V
1554103 in IH N
...
# freq word
1622928 de
1622619 je
1348809 est
1128894 pas
1093232 le
1043411 vous
992154 la
927396 tu
909177 que
853927 un
...
# freq word
1109867 de
677127 la
517925 que
514187 y
498562 el
455194 en
358662 a
303229 los
232670 se
204272 las
...
The original source is Softcatala
# freq word
6010951 de
4994785 la
4657836 el
4004551 i
3896615 que
3374723 a
3284365 un
2373551 l
2140801 en
1981974 va
...
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