Wedlock
Part of speech: noun
Definition: The state of being married; matrimony.
Example sentence: A person's character is but half formed till after wedlock.
Union
Part of speech: noun
Definition: The act of uniting or joining two or more things into one, or the state of being united or joined; junction; coalition; combination.That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league.A joint or other connection uniting parts of machinery, such as pipes.The set containing all of the elements of two or more sets.The act or state of marriage.Sexual intercourse.A data structure that can store any of various items, but only one at a time.
Example sentence: The most happy marriage I can picture or imagine to myself would be the union of a deaf man to a blind woman.