The letters in AUTOMATIC make 86 words of two letters or more. The longest is AUTOMATIC at 9 letters, and the highest-scoring is AUTOMATIC at 13 points.
No other single word uses all 9 letters of AUTOMATIC. AUTOMATIC has 9 letters: 5 vowels and 4 consonants, worth 13 points before any board bonuses.
9-letter words 1
7-letter words 1
automat9
6-letter words 4
atomic10outact8tatami8tomcat10
5-letter words 7
attic7coati7cotta7miaou7outta5tacit7umiac9
4-letter words 23
acta6amia6atma6atom6auto4ciao6coat6coma8iota4matt6maut6mica8mitt6moat6mott6mutt6omit6otic6taco6tact6taut4toit4tout4
3-letter words 34
act5aim5ait3ama5ami5amu5att3cam7cat5cot5cut5mac7mat5mic7moa5moc7moi5mot5mut5oat3oca5oui3out3tam5tao3tat3tau3tic5tom5tot3tui3tum5tut3uta3
2-letter words 16
aa2ai2am4at2it2ma4mi4mo4mu4oi2om4ta2ti2to2um4ut2
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.