The term 'agreeing words' can refer to a variety of different phrases and expressions that are used to indicate agreement or acceptance. The four crossword solutions for this term are AYES (4 letters), SOAMI (5 letters), IDOTOO (6 letters), and ITSADEAL (8 letters). AYES is an informal way of saying yes, SOAMI is an acronym for 'so am I', IDOTOO is a contraction of 'I do too', and ITSADEAL is a phrase used to signify agreement on a deal or proposal. All of these words and phrases are used to express agreement or acceptance in different contexts.