The letters in INITIAL make 41 words of two letters or more. The longest is INITIAL at 7 letters, and the highest-scoring is INITIAL at 7 points.
No other single word uses all 7 letters of INITIAL. INITIAL has 7 letters: 4 vowels and 3 consonants, worth 7 points before any board bonuses.
7-letter words 1
5-letter words 1
litai5
4-letter words 13
alit4anil4anti4ilia4inia4inti4lain4lati4lint4nail4tail4tain4tali4
3-letter words 14
ail3ain3ait3alt3ani3ant3lat3lin3lit3nil3nit3tan3til3tin3
2-letter words 12
ai2al2an2at2in2it2la2li2ln2na2ta2ti2
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.