同

person living with a family; lodger

housemate; flatmate; roommate

the same day

dōjinshi; magazine published by like-minded people; fanzine; zine

same crime

being equally guilty; bearing the same amount of responsibility

alumni association; graduates' association; alumni meeting; class reunion

same village; same town; same province

same year in school

allied nation; ally

same person

said person; the person in question

coterie; clique; fraternity; kindred spirits; comrade; colleague

どうじん only

dōjin; doujin; Japanese fans or hobbyists who produce their own magazines, manga, software, etc.

friendly fire; killing each other by mistake

internecine strife

same color; same colour

that year; same year; same age

same quality; same nature; homogeneous

Nouns which may take the genitive case particle 'no'

concentricity

Nouns which may take the genitive case particle 'no'

same mind; unanimity

Historical term; Subordinate of 与力

policeman; constable in the Edo period

same score; deadlock; tie; draw

same number

enclosing (e.g. with a letter)

the same night; that night

going with; accompanying

isomorphism; same shape; same type; same pattern

viewing and treating as one; regarding as the same; equating one thing with another; identification

sleeping together; sleeping with; sharing a bed

homosexuality; homosexual love

homosexual (person); gay person