List of sister synonyms and sister related words.
Greek, LPN, RN, abbess, affiliate, ally, alter ego, analogon, analogue, associate, aunt, auntie, belonger, blood brother, brethren, brother, bub, bubba, bud, buddy, canoness, card-carrier, card-carrying member, cardholder, catechumen, charge nurse, charter member, church member, churchman, churchwoman, clergywoman, close copy, close match, clubber, clubman, clubwoman, cognate, committeeman, communicant, companion, complement, comrade, congenator, congener, conventioneer, conventioner, conventionist, conventual, coordinate, correlate, correlative, correspondent, counterpart, country cousin, cousin, cousin once removed, cousin twice removed, daughter, district nurse, dues-paying member, enlistee, enrollee, equivalent, father, fellow, first cousin, foster brother, frater, fraternity man, graduate nurse, grandnephew, grandniece, granduncle, great-aunt, great-uncle, guildsman, half brother, honorary member, image, initiate, insider, joiner, kid brother, kindred spirit, lady superior, laic, lay brother, lay sister, layman, laywoman, licensed practical nurse, life member, like, likeness, mate, member, mother, mother superior, near duplicate, nephew, niece, novice, nun, nuncle, nunks, nunky, nurse, nursing sister, obverse, one of us, parallel, parishioner, pendant, picture, pledge, postulant, practical nurse, prioress, private-duty nurse, probationer, probationist, probe, public health nurse, reciprocal, registered nurse, religieuse, school nurse, scrub nurse, second cousin, second self, secular, secular canoness, similitude, simulacrum, sis, sissy, sister-german, sistern, socius, son, sorority girl, sorority woman, soul mate, stepbrother, stepsister, student nurse, such, suchlike, superioress, surgical nurse, tally, the like of, the likes of, the reverend mother, trained nurse, twin, unc, uncle, uncs, uterine brother, visiting nurse