同盟

N1 混同 kondou confusion, mixing, merger N1 同調 douchou sympathy, agree with, alignment N1 同等 doutou equality, equal, same rank N1 同封 doufuu enclosure (e.g., in a letter) N1 一同 ichidou all present, all concerned, all of us N1 同い年 onaidoshi of the same age N1 同意 doui agreement, consent; same meaning N1 同感 doukan agreement, same opinion, same feeling N1 同級 doukyuu the same grade, same class

N4 同 dou / ona.ji same, agree, equal N1 盟 mei alliance, oath, alliance