The letters in IMPACT make 43 words of two letters or more. The longest is IMPACT at 6 letters, and the highest-scoring is IMPACT at 12 points.
No other single word uses all 6 letters of IMPACT. IMPACT has 6 letters: 2 vowels and 4 consonants, worth 12 points before any board bonuses.
6-letter words 1
5-letter words 1
campi11
4-letter words 7
camp10mica8pact8pica8pima8pita6tamp8
3-letter words 24
act5aim5ait3ami5amp7apt5cam7cap7cat5imp7mac7map7mat5mic7pac7pam7pat5pia5pic7pit5tam5tap5tic5tip5
2-letter words 10
ai2am4at2it2ma4mi4pa4pi4ta2ti2
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.