There are 15 words that start with 'inan'.
| inane | inaner | 
| inanes | inanely | 
| inanest | inanity | 
| inaneness | inanimate | 
| inanities | inanition | 
| inanitions | inanenesses | 
| inanimately | inanimateness | 
| inanimatenesses | |
Note: These 15 words that start with 'inan' are found from the USA & Canada version of the tournament Scrabble word list.