union (suomeksi)

unioni (s: in set theory)
liitto (s: the act of uniting or the state of being united / liitosliitto / state / that which is united; something formed by a combination of parts or members / marriage)
yhdistys (s)
liittäminen (s: the act of uniting or the state of being united)
liitos (s: the act of uniting or the state of being united / liitos / act / joint)
yhdiste (s: in set theory)
avioliitto (s: marriage)
yhdyntä (s: sexual intercourse)