Couple
Part of speech: verb
Definition: To join (two things) together, or (one thing) to (another).
Part of speech: noun
Definition: Two partners in a romantic or sexual relationship. Two of the same kind connected or considered together (see Usage notes). A small number of. See usage notes. One of the pairs of plates of two metals which compose a voltaic battery, called a voltaic couple or galvanic couple. Two forces that are equal in magnitude but opposite in direction (and acting along parallel lines), thus creating the turning effect of a torque or moment.
Example sentence: Now you know those trick candles that you blow out and a couple of seconds.
Pair
Part of speech: verb
Definition: To put two (people, sets or things) together.To bring two (animals, notably dogs) together for mating.
Part of speech: noun
Definition: Two similar or identical things taken together; often followed by of.Two people in a relationship, partnership (especially sexual) or friendship.Used with binary nouns (often in the plural to indicate multiple instances, since such nouns are plurale tantum)A couple of working animals attached to work together, as by a yoke.A poker hand that contains of two cards of identical rank, which cannot also count as a better hand.A score of zero runs (a duck) in both innings of a two-innings matchA double play, two outs recorded in one playA doubleheader, two games played on the same day between the same teamsA pair of breasts
Example sentence: A simple life is good with me. I don't need a whole lot. For me, a T-shirt, a pair of shorts, barefoot on a beach and I'm happy.