Married person and Spousal equivalent

Married person noun - A person's partner in marriage.

Spousal equivalent and married person are semantically related. In some cases you can use "Spousal equivalent" instead a noun phrase "Married person".

Spousal equivalent noun - A person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationship.

Married person and spousal equivalent are semantically related. Sometimes you can replace phrase "Married person" with "Spousal equivalent", this phrases are similar.