Unscrambling PROBABLY gives 91 words. PROBABLY is the longest, and PROBABLY scores the most at 17 points.
No other single word uses all 8 letters of PROBABLY. PROBABLY has 8 letters: 2 vowels and 6 consonants, worth 17 points before any board bonuses.
8-letter words 1
6-letter words 1
pyrola11
5-letter words 11
bolar7boral7boyar10boyla10labor7lobar7lobby12parol7payor10polar7royal8
4-letter words 23
ably9aryl7baby11barb8blab8blob8boar6bola6bora6bray9byrl9lory7opal6oral4orby9paly9play9ploy9poly9prao6pray9proa6ropy9
3-letter words 40
abb7abo5aby8alb5alp5arb5bal5bap7bar5bay8boa5bob7bop7boy8bra5bro5lab5lap5lar3lay6lob5lop5oar3ora3orb5pal5par5pay8ply8pol5pro5pry8pya8rap5ray6rob5rya6yap8yar6yob8
2-letter words 15
ab4al2ar2ay5ba4bo4by7la2lo2op4or2oy5pa4ya5yo5
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.