Synonyms of vow

1 Syllable
troth, swears, vouch, oath, swear
2 Syllables
vouched, plighting, insist, sware, vouching, swore, pledging, betroth, pledge
3 Syllables
affiancing, warranting, commitment, guarantee, promise, assertion, devoting, betrothing, betrothment, insisted, betrothal, sacrament, profession, insisting, affiance, devote, betrothals
4 Syllables
enthronement, assurance, engagement, adjuration
5 Syllables
asseveration