Open English Wordnet
Nouns
(n)couple, twosome, duo, dueta pair who associate with one another“the engaged couple”,
“an inseparable twosome” (n)couple, mates, matcha pair of people who live together“a married couple from Chicago” (n)couplea small indefinite number“he's coming for a couple of days” (n)couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, duet, dyad, duadtwo items of the same kind (n)couple(physics) something joined by two equal and opposite forces that act along parallel lines Verbs
(v)match, mate, couple, pair, twinbring two objects, ideas, or people together“This fact is coupled to the other one”,
“Matchmaker, can you match my daughter with a nice young man?”,
“The student was paired with a partner for collaboration on the project”