The letters in LIFETIME make 73 words of two letters or more. The longest is LIFETIME at 8 letters, and the highest-scoring is LIFETIME at 13 points.
No other single word uses all 8 letters of LIFETIME. LIFETIME has 8 letters: 4 vowels and 4 consonants, worth 13 points before any board bonuses.
8-letter words 1
5-letter words 6
elemi7elite5filet8fleet8flite8limit7
4-letter words 30
emit6feel7feet7felt7feme9fete7file7film9flee7flit7item6leet4left7lief7life7lift7lime6lite4meet6melt6mete6mile6milf9milt6mite6teel4teem6tele4tile4time6
3-letter words 24
eel3eft6elf6elm5eme5emf8fee6fem8fet6fie6fil6fit6lee3lei3let3lie3lit3mel5met5mil5tee3tel3tie3til3
2-letter words 12
ef5el2em4et2if5it2li2lm4me4mf7mi4ti2
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.