The letters in INCOME make 44 words of two letters or more. The longest is INCOME at 6 letters, and the highest-scoring is INCOME at 10 points.
No other single word uses all 6 letters of INCOME. INCOME has 6 letters: 3 vowels and 3 consonants, worth 10 points before any board bonuses.
6-letter words 1
5-letter words 2
mince9monie7
4-letter words 16
cine6cion6coin6come8cone6coni6emic8icon6meno6mice8mien6mine6nice6nome6omen6once6
3-letter words 13
con5emo5eon3ice5ion3men5mic7moc7moi5mon5nim5nom5one3
2-letter words 12
em4en2in2me4mi4mo4ne2no2oe2oi2om4on2
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.