1) Common 2) Concerted 3) Conjunct 4) Conjunctive 5) Cooperative 6) Dual 7) Joined 8) Joined together 9) Joint 10) Made by combining 11) Merged 12) Multiparty 13) Mutual 14) Put two and two together 15) Shared 16) United Found on https://www.crosswordclues.com/clue/combined
concertedadjective involving the joint activity of two or more; `the attack was met by the combined strength of two divisions`; `concerted action`; `the conjunct influence of fire and strong wind`; `the conjunctive focus of political opposition`; `a c... Found on https://www.encyclo.co.uk/local/20974
made by combining; joined; united, as in a chemical compound. · taken as a whole or considered together; in the aggregate: outselling all other brands combined. Found on https://www.infoplease.com/dictionary/combined