| 成句・複合語: |
| by common consent | adv | (by the agreement of everyone) | 満場一致で 副 |
| common ancestry | n | (shared family history) | 共通の先祖 名 |
| common ancestry | v | (species: shared descent from a distant ancestor) 種族 | 共通の起源、共通の祖先 名 |
| common belief | n | (idea shared by many people) | 通説、一般論 名 |
| common belief | n | (mutual, shared opinion) | 共通の考え方 名 |
| common bond | n | (sth shared, unifying) | 共通したもの、連帯感 名 |
| common carrier | n | (company providing freight service) | 運送業者、貨物運送業者 名 |
| common cold | | | 風邪 名 |
| common denominator | n | literal (mathematics: shared quantity in fractions) 数学 | 公分母 名 |
| common denominator | n | figurative (common or shared factor) | 共通項、共通点 名 |
| common good | | | 公益、公共の利益 名 |
| common ground | n | (shared interests) | (複数の人の)共通点 名 |
| common knowledge | n | (sth that most people know) | 一般常識、周知の事実 名 |
| common-law | n | (informal but recognized status) | 慣習法、不文律 名 |
| common man | | | 普通の人、庶民、一般市民、平民、大衆 名 |
| common ownership | n | (joint ownership, trusteeship) | 共同所有権、共同信託権 名 |
| common people | n | (ordinary people) | 一般人、普通の人々 名 |
| common people | n | (working-class people) 上級階級に対する | 庶民、一般大衆 名 |
| common phrase | n | (much-used expression) | よく使われる言い回し 名 |
| common practice | n | (sth customary, sth often done) | 慣習、慣行、よく行われること 名 |
| | | 日常的な行為、日常茶飯事 名 |
| common saying | n | (much-used expression or proverb) | 諺、格言 名 |
| | | 良く使われる表現 名 |
| common sense | | | 常識、良識 名 |
| common source | n | (frequent place of origin) | よくある原因 名 |
| common source | n | (shared origin ) | 共通の原因[起源、要因] 名 |
| common stock | n | (animal: not of pure breeding) 動物 | 雑種 名 |
| common stock | n | pejorative (person: working-class background) 人・軽蔑的 | 労働者階級出身者 名 |
| common stock | n | (finance: a type of capital stock) 金融 | 普通株 名 |
| common law | adj | (unofficial, not formalized) | 慣習法の、不文律の 形 |
| common-law marriage | n | (partnership not formalized by marriage ceremony) | 内縁関係 名 |
| Note: 法的手続きを取らない婚姻 |
| common-law wife | n | (woman in a partnership not formalized by marriage) | 内縁の妻 名 |
| have little in common | | | あまり共通点がない |
| have nothing in common | | | 共通点がない |
| have things in common | | | 共通点がある |
| in common | adv | (shared, mutually) | 共通した、共同の 形 |
| least common denominator | n | (mathematics: lowest common multiple) 数学 | 最小公分母 名 |
| least common multiple | n | (mathematics: lowest common denominator) 数学 | 最小公倍数 名 |
| lowest common denominator | n | (mathematics: least common multiple) 数学 | 最小公分母 名 |
| lowest common denominator | n | figurative (people with least education, understanding) | 無学の人々 名 |
| make common cause with | | | ~と提携する |
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