compliments vs salutation

compliments and salutation both are nouns.

Word	Noun	Adjective	Verb	Adverb
compliments	Yes	No	No	No
salutation	Yes	No	No	No

As nouns, salutation is a hypernym of compliments; that is, salutation is a word with a broader meaning than compliments:

compliments: (usually plural) a polite expression of desire for someone's welfare
salutation: (usually plural) an acknowledgment or expression of good will (especially on meeting)

Other hypernyms of compliments include greeting.

compliments (noun)	salutation (noun)
(usually plural) a polite expression of desire for someone's welfare	(usually plural) an acknowledgment or expression of good will (especially on meeting)
	an act of honor or courteous recognition
	word of greeting used to begin a letter