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
意 い
意味meaning意見opinion注意caution用意preparation意外unexpected意思intention意志will意識consciousness敬意respect得意pride意義meaning意地悪malicious生意気impertinent意気込むto be enthusiastic about意向intention意地disposition意図intention意欲will決意decision好意good will合意agreement他意ill will同意agreement熱意zeal不意sudden無意味nonsense