ace amigo associate aunt auntie bedfellow bedmate benchfellow birthmate blood brother bosom buddy boy brethren brother bub bubba buck bud bunkie bunkmate butty camarade chamberfellow chum classmate clubmate co-worker colleague colt comate companion company compeer comrade confrere consociate consort copartner copemate copesmate couchmate country cousin cousin cousin once removed cousin twice removed cradlemate crony cub cupmate daughter father fellow fellow student fellow worker first cousin fledgling foster brother frater general partner girl friend gossip grandnephew grandniece granduncle great-aunt great-uncle half brother hobbledehoy jailmate kid brother lad laddie manchild master mate messmate mother muchacho nephew niece nuncle nunks nunky old crony pal pard pardner partner pewmate playfellow playmate pup puppy roommate running mate schoolboy schoolfellow schoolmate second cousin secret partner shelfmate shipmate shopmate side partner sidekick sidekicker silent partner sis sissy sister sister-german sistern sleeping partner son sonny sonny boy special partner stepbrother stepsister tablemate teammate tentmate unc uncle uncs uterine brother watchmate waymate whelp workfellow yokefellow yokemate young man youth