sgraffito vs decoration

sgraffito and decoration both are nouns.

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

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

sgraffito: a ceramic or mural decoration made by scratching off a surface layer to reveal the ground
decoration: something used to beautify

Other hypernyms of sgraffito include ornament, ornamentation.

sgraffito (noun)	decoration (noun)
a ceramic or mural decoration made by scratching off a surface layer to reveal the ground	the act of decorating something (in the hope of making it more attractive)
	something used to beautify
	an award for winning a championship or commemorating some other event