polygyny

noun 0.770

plural marriage

noun 0.683

polygamist

noun 0.672

nonmonogamy

noun 0.644

bigamy

noun 0.626

group marriage

noun 0.602

polyploidy

noun 0.586

polytomy

noun 0.584

bigamist

noun 0.578

polyspermy

noun 0.568

serial monogamy

noun 0.568

matriarchy

noun 0.557

polydactyly

noun 0.556

sister-wife

noun 0.553

cuckoldry

noun 0.547

polytheism

noun 0.541

multiparity

noun 0.538

polyploid

noun 0.538

concubinage

noun 0.536

matriliny

noun 0.535

polyarchy

noun 0.535

protandry

noun 0.531

hypergamy

noun 0.531

monogamist

noun 0.530

exogamy

noun 0.529

matrimony

noun 0.528

polyglossia

noun 0.527

patriarchy

noun 0.523

polytherapy

noun 0.522

iteroparity

noun 0.519

protogyny

noun 0.519

polyembryony

noun 0.512

marriage

noun 0.512

polyculture

noun 0.512

polyphony

noun 0.508

polysyndeton

noun 0.504

polypharmacy

noun 0.504

androgyne

noun 0.503