共同cooperation同一identity同時simultaneous(ly)同様identical同僚coworker合同combination同格the same rank一同all present混同confusion同the same同意agreement同感agreement同級the same grade同居living together同士fellow同志same mind同情sympathy同調sympathy同等equality同封enclosure (e.g. in a letter)同盟alliance
調 ちょう
強調emphasis順調favourable調査investigation調子tune調整regulation調節regulation調味料condiment協調co-operation好調favourable失調lack of harmony単調monotony調印signature調停arbitration調理cooking調和harmony同調sympathy不調bad condition