plural vs felicitation

plural and felicitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural	Yes	Yes	No	No
felicitation	Yes	No	No	No

plural (noun)	felicitation (noun)
the form of a word that is used to denote more than one	the act of acknowledging that someone has an occasion for celebration
	(usually plural) an expression of pleasure at the success or good fortune of another

plural (adjective)	felicitation (adjective)
grammatical number category referring to two or more items or units
composed of more than one member, set, or kind