There are 10 13-letter words that start with 'adv'.
| adventuresome | adventuresses |
| adventuristic | adventurously |
| adversariness | adversatively |
| adversenesses | advertisement |
| advertizement | advisableness |
Note: These 10 13-letter words that start with 'adv' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with adve, advi, adva, advo.
6-letter words start with 'adv' (6)