There are 10 12-letter words that start with 'aff'.
| affabilities | affectations | affectedness |
| affectionate | afficionados | affiliations |
| affirmations | affirmatives | afflictively |
| affricatives | ||
Note: These 10 12-letter words that start with 'aff' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with affi, affe, affl, affr, affo, affa, affu.
5-letter words start with 'aff' (1)