gargoyle vs ornamentation

gargoyle and ornamentation both are nouns.

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

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

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

Other hypernyms of gargoyle include decoration, ornament.

gargoyle (noun)	ornamentation (noun)
an ornament consisting of a grotesquely carved figure of a person or animal	the act of adding extraneous decorations to something
a spout that terminates in a grotesquely carved figure of a person or animal	something used to beautify
	the state of being ornamented