- cocci
- coconut
- cocoon
- coffin
- coif
- coin
- concoct
- concoction
- confit
- conic
- coot
- cotton
- count
- cutoff
- cutout
- fiction
- finito
- foci
- font
- foot
- fount
- function
- futon
- icon
- iconic
- info
- into
- intuition
- ionic
- nonfiction
- nonunion
- noon
- notion
- noun
- nuncio
- onion
- onto
- outfit
- tofu
- tonic
- toon
- toot
- tout
- tuition
- unction
- union
- unto