Synonyms of sibling

1 Syllable
ben, fils, aunt, kin, kith, bens, sib
2 Syllables
kinsmen, in-laws, brother, kinfolk, kinsman, tie-in, hookup, affil, niece, kinsfolk, inlaw, sister
3 Syllables
linkage, stepsister, stepbrother, clansperson, stepparent, relations, kinspeople, relation, grandparent, kinswoman
4 Syllables
brother-in-law, father-in-law, mother-in-law, sister-in-law, great-grandparents, affiliate, relative, affiliating
5 Syllables
interconnection, interconnections
6 Syllables
interdependence, interrelationship