- citron
- cocoon
- coffin
- coin
- concoct
- concoction
- confit
- confront
- conic
- contort
- contortion
- contrition
- corn
- cotton
- croon
- fiction
- finito
- font
- friction
- front
- icon
- iconic
- info
- into
- intro
- ionic
- iron
- ironic
- nitric
- nitro
- noir
- nonfiction
- noon
- nori
- notion
- onion
- onto
- ricin
- rotini
- tinct
- tint
- tonic
- toon
- torn
- tortoni
- tricorn
- triton