Nouns

(n)hint, intimation, breathan indirect suggestion“not a breath of scandal ever touched her”
(n)hint, cluea slight indication
(n)touch, hint, tinge, mite, pinch, jot, speck, soupcona slight but appreciable amount“this dish could use a touch of garlic”
(n)trace, hint, tint, suggestiona just detectable amount“he speaks French with a trace of an accent”, “a hint mockery in her manner”, “a tint of glamour”
(n)tip, lead1, steer, confidential information, wind1, hintan indication of potential opportunity“he got a tip on the stock market”, “a good lead for a job”

Verbs

(v)hint, suggestdrop a hint; intimate by a hint