Unscrambling ANCIENT gives 74 words. ANCIENT is the longest, and ANCIENT scores the most at 9 points.
No other single word uses all 7 letters of ANCIENT. ANCIENT has 7 letters: 3 vowels and 4 consonants, worth 9 points before any board bonuses.
7-letter words 1
6-letter words 8
acetin8canine8cannie8enatic8encina8incant8innate6tannic8
5-letter words 9
actin7anent5antic7enact7entia5inane5nance7tenia5tinea5
4-letter words 19
acne6ante4anti4cain6cane6cant6cate6cent6cine6cite6etic6etna4neat4nice6nine4nite4tace6tain4tine4
3-letter words 25
ace5act5ain3ait3ane3ani3ant3ate3can5cat5eat3eta3ice5inn3nae3nan3net3nit3tae3tan3tea3ten3tic5tie3tin3
2-letter words 12
ae2ai2an2at2en2et2in2it2na2ne2ta2ti2
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.