The letters in UNDERLAY make 208 words of two letters or more. The longest is UNDERLAY at 8 letters, and the highest-scoring is UNDERLAY at 12 points.
No other single word uses all 8 letters of UNDERLAY. UNDERLAY has 8 letters: 3 vowels and 5 consonants, worth 12 points before any board bonuses.
8-letter words 1
7-letter words 4
launder8laundry11lurdane8unready11
6-letter words 20
adenyl10aulder7darnel7dearly10denary10lander7lauder7lurdan7nearly9neural6nudely10nurled7rudely10rundle7unlade7unlead7unread7unreal6uranyl9yarned10
5-letter words 43
alder6deary9delay9denar6deray9dural6dynel9early8eland6laden6lader6lardy9layed9layer8leady9learn5leary8lunar5lured6lyard9naled6neral5nerdy9nuder6randy9rayed9ready9redan6redly9relay8renal5ruled6ulnad6ulnae5ulnar5unary8under6unlay8unled6ureal5yauld9yearn8yulan8
4-letter words 74
aery7aryl7auld5dale5dare5darn5deal5dean5dear5deny8dray8dual5duel5duly8dune5dura5dure5durn5dyer8dyne8earl4earn4elan4eyra7lade5lady8land5lane4lard5laud5lead5lean4lear4lend5leud5lude5luna4lune4luny7lure4lyre7nard5nary7near4nerd5nurd5nurl4rale4rand5read5real4rely7rend5rude5rued5rule4ruly7rune4rynd8ulan4ulna4unde5undy8urea4yald8yard8yare7yarn7yaud8yean7year7yeld8yuan7yule7
3-letter words 46
ale3and4ane3any6are3aye6dal4day7del4den4dey7dry7due4dun4dye7ear3eau3eld4end4era3ern3lad4lar3lay6lea3led4leu3ley6lur3lye6nae3nay6rad4ran3ray6red4rue3run3rya6rye6urd4urn3yar6yea6yen6yer6
2-letter words 20
ad3ae2al2an2ar2ay5de3ed3el2en2er2la2ln2na2ne2nu2re2un2ya5ye5
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.