honeymooner vs spouse

honeymooner and spouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
honeymooner	Yes	No	No	No
spouse	Yes	No	No	No

As nouns, spouse is a hypernym of honeymooner; that is, spouse is a word with a broader meaning than honeymooner:

Other hypernyms of honeymooner include better half, married person, mate, partner.

honeymooner (noun)	spouse (noun)
someone recently married	a person's partner in marriage