Synonyms of relations

1 Syllable
kin, truck
2 Syllables
nooky, liaison, ménage, coition, kinship, sibling, kindred, trucked, nookie
3 Syllables
menage, kinsperson, family, alliance, stickage, love-making
4 Syllables
coherence, fornications, relationship, affiliation, association, propinquity, relative, cementation, copulation, affinity, fornication, intercourse
5 Syllables
similarity, consanguinity
7 Syllables
inseparability