The letters in WHEREBY make 50 words of two letters or more. The longest is WHEREBY at 7 letters, and the highest-scoring is WHEREBY at 18 points.
No other single word uses all 7 letters of WHEREBY. WHEREBY has 7 letters: 2 vowels and 5 consonants, worth 18 points before any board bonuses.
7-letter words 1
6-letter words 1
5-letter words 5
beery10herby13hewer11weber10where11
4-letter words 15
beer6bree6brew9byre9eery7ewer7eyer7eyre7hebe9herb9here7weer7were7whee10whey13
3-letter words 20
bee5bey8bye8ere3ewe6eye6her6hew9hey9reb5ree3rye6web8wee6why12wry9wye9yeh9yer6yew9
2-letter words 8
be4by7eh5er2he5re2we5ye5
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.