smock vs decorate

smock is a noun but decorate is not a noun.

Word	Noun	Adjective	Verb	Adverb
smock	Yes	No	Yes	No
decorate	No	No	Yes	No

As verbs, decorate is a hypernym of smock; that is, decorate is a word with a broader meaning than smock:

Other hypernyms of smock include adorn, beautify, embellish, grace, ornament.

smock (noun)	decorate (noun)
a loose coverall (coat or frock) reaching down to the ankles

smock (verb)	decorate (verb)
embellish by sewing in straight lines crossing each other diagonally	provide with decoration
	make more attractive by adding ornament, colour, etc.
	award a mark of honor, such as a medal, to
	be beautiful to look at