| verb | engage in sexual intercourse “Birds mate in the Spring” |
| verb | bring two objects, ideas, or people together “This fact is coupled to the other one” |
| verb | place an opponent's king under an attack from which it cannot escape and thus ending the game “Kasparov checkmated his opponent after only a few moves” |
| verb | twist together or entwine into a confusing mass “The child entangled the cord” |
| verb | change texture so as to become matted and felt-like “The fabric felted up after several washes” |
| adjective | mated sexually |
| adjective | used of gloves, socks, etc. |
| adjective | of or relating to a marriage partner |
| copulatory | adjective | of or relating to coitus or copulation |
| copulation | noun | the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur |
| mate | noun | a person's partner in marriage |
| mating | noun | the act of pairing a male and female for reproductive purposes |
| pair | noun | two people considered as a unit |
| pairing | noun | the act of pairing a male and female for reproductive purposes |
| couple | noun | a pair of people who live together |
| coupling | noun | the act of pairing a male and female for reproductive purposes |
| match | noun | a pair of people who live together |
| checkmate | noun | a chess move constituting an inescapable and indefensible attack on the opponent's king |
| tangle | noun | a twisted and tangled mass that is highly interwoven |
| snarl | noun | something jumbled or confused |
| felt | noun | a fabric made of compressed matted animal fibers |
| mat | noun | the property of having little or no contrast; lacking highlights or gloss |
| matting | noun | a covering of coarse fabric (usually of straw or hemp) |