The term 'put one's two cents in' is an idiom that means to give one's opinion or input on a matter. The crossword solutions for this term are ADD (3 letters), ANTE (4 letters), OPINE (5 letters), BET (3 letters), and SPOKE (5 letters). To 'ADD' something is to include it, while 'ante' means to put forward a stake or contribution. 'OPINE' means to express an opinion, and 'BET' is to wager money on an outcome. Finally, 'SPOKE' is to express an opinion or view. All of these words can be used to describe the act of putting one's two cents in.