The letters in ACTIVITY make 34 words of two letters or more. The longest is ACTIVITY at 8 letters, and the highest-scoring is ACTIVITY at 16 points.
No other single word uses all 8 letters of ACTIVITY. ACTIVITY has 8 letters: 3 vowels and 5 consonants, worth 16 points before any board bonuses.
8-letter words 1
6-letter words 2
cavity14viatic11
5-letter words 5
attic7catty10tacit7vatic10vitta8
4-letter words 6
cavy12city9tact6titi4tivy10vita7
3-letter words 13
act5ait3att3cat5cay8icy8ivy9tat3tav6tic5vac8vat6via6
2-letter words 7
ai2at2ay5it2ta2ti2ya5
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.