gargoyle vs decoration

gargoyle and decoration both are nouns.

Word	Noun	Adjective	Verb	Adverb
gargoyle	Yes	No	No	No
decoration	Yes	No	No	No

As nouns, decoration is a hypernym of gargoyle; that is, decoration is a word with a broader meaning than gargoyle:

gargoyle: an ornament consisting of a grotesquely carved figure of a person or animal
decoration: something used to beautify

Other hypernyms of gargoyle include ornament, ornamentation.

gargoyle (noun)	decoration (noun)
an ornament consisting of a grotesquely carved figure of a person or animal	the act of decorating something (in the hope of making it more attractive)
a spout that terminates in a grotesquely carved figure of a person or animal	something used to beautify
	an award for winning a championship or commemorating some other event