同
| Level 4 vocabulary | ||
| 同じ | (adj-na,n) same/ identical/ equal/ uniform/ equivalent/ similar/ common (origin)/ changeless/ (P) | |
| Level 2 vocabulary | ||
| 共同 | (n) cooperation/ association/ collaboration/ joint/ (P) | |
| 合同 | (adj-na,n) combination/ incorporation/ union/ amalgamation/ fusion/ congruence/ (P) | |
| 同〜 | (n) the same/ the said/ ibid./ (P) | |
| 同一 | (adj-na,adj-no,n) identity/ sameness/ similarity/ equality/ fairness/ (P) | |
| 同格 | (adj-na,n) the same rank/ equality/ apposition | |
| 同時 | (adj-no,n) simultaneous(ly)/ concurrent/ same time/ synchronous/ (P) | |
| 同様 | (adj-na,n) identical/ equal to/ same (kind)/ like/ (P) | |
| 同僚 | (n) coworker/ colleague/ associate/ (P) | |
| Level 1 vocabulary | ||
| 一同 | (n) all present/ all concerned/ all of us/ (P) | |
| 同い年 | (n) of the same age | |
| 混同 | (n) confusion/ mixing/ merger/ (P) | |
| 同意 | (n) agreement/ consent/ same meaning/ same opinion/ approval/ (P) | |
| 同感 | (n) agreement/ same opinion/ same feeling/ sympathy/ concurrence/ (P) | |
| 同級 | (n) the same grade/ same class | |
| 同居 | (n,vs) living together/ (P) | |
| 同志 | (n) same mind/ comrade/ kindred soul/ (P) | |
| 同士 | (n) fellow/ companion/ comrade/ (P) | |
| 同情 | (n,vs) sympathy/ compassion/ sympathize/ pity/ feel for/ (P) | |
| 同調 | (n,vs) sympathy/ agree with/ alignment/ tuning | |
| 同等 | (adj-na,adj-no,n) equality/ equal/ same rights/ same rank/ (P) | |
| 同封 | (n,vs) enclosure (e.g. in a letter)/ (P) | |
| 同盟 | (n,vs) alliance/ union/ league/ (P) | |