Synonyms of underpants

1 Syllable
bvds, briefs
2 Syllables
g-string, panties, jodhpurs, britches, knickers, breeches, undies, chino
3 Syllables
undershirt, corduroys, underwear, lingerie, undershorts, bermudas, bikini
4 Syllables
undergarment, underclothes