Synonyms of familiar

1 Syllable
frank, stock, p, dears, friend, plain, known, dear
2 Syllables
prosaic, wonted, dearer, grouper, palsy, franker, social, homer, chummy, mated, chummier, friendlier, starcher, usual, nuclear, chatty, frankest, simple, uppish, inner, matey, chattier, frequent, humble, knowhow, straight-out, homey, common, versed, friendly, sporter, friendliest
3 Syllables
analog, general, expected, co-worker, dearest, bedmate, plainspoken, habitual, informal, unfussy, homely, repeated, proverbial, cut-and-dried, aware, coworkers, whitebread, sociable, homespun, addicting, apprized, commonest, white-bread, snippety, native, classmate, household, seasoned, homelier, informed, nowhere, familiars, confidant, prevailing, routine, workaday, domestic, heart-to-heart, mundane, natural, coworker, cognizant, throwaway, societal, malapert
4 Syllables
accustomed, smart-alecky, commonplace, unexciting, confidante, reciprocals, low-pressure, free-and-easy, dime-a-dozen, average, boilerplate, knowledgeable, experienced, customary, intimate, conventional, ordinary, matter-of-fact, averaged, unquestioned, everyday, innermore
5 Syllables
unceremonious, garden-variety, companionable, conversational, matter-of-course, unremarkable, unnoteworthy, recognizable
6 Syllables
unsophisticated