The letters in BECOMES make 54 words of two letters or more. The longest is BECOMES at 7 letters, and the highest-scoring is BECOMES at 13 points.
No other single word uses all 7 letters of BECOMES. BECOMES has 7 letters: 3 vowels and 4 consonants, worth 13 points before any board bonuses.
7-letter words 1
6-letter words 2
become12combes12
5-letter words 5
besom9combe11combs11comes9obese7
4-letter words 13
bees6cees6cobs8comb10come8emes6emos6mobs8mocs8obes6seem6seme6some6
3-letter words 20
bee5bos5cee5cob7cos5eme5emo5ems5mes5mob7moc7mos5obe5oes3oms5ose3sec5see3sob5som5
2-letter words 13
be4bo4cs4em4es2mb6me4mo4ms4oe2om4os2so2
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.