There are 10 12-letter words that start with 'av'.
| availability | avariciously | avascularity |
| aversenesses | aversiveness | aviculturist |
| avitaminoses | avitaminosis | avitaminotic |
| avuncularity | ||
Note: These 10 12-letter words that start with 'av' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with ave, avi, avo, ava, avu, avg.
3-letter words start with 'av' (3)