- anion
- annotation
- annotator
- anoint
- anon
- anti
- arrant
- attain
- attrition
- initiation
- initiator
- into
- intonation
- intro
- iron
- irritant
- irritation
- janitor
- jinn
- jinni
- join
- joint
- naan
- nana
- narration
- narrator
- natant
- nation
- ninja
- nitro
- noir
- nonart
- noon
- nori
- notation
- notator
- notion
- onion
- onto
- oration
- rain
- rani
- rant
- ration
- rattan
- roan
- rotation
- rotini
- taint
- tannin
- tantara
- tantra
- tarnation
- tartan
- tint
- titan
- titration
- toon
- torn
- tortoni
- train
- triton