wreathe vs decorate

wreathe and decorate both are verbs.

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

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

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

wreathe (verb)	decorate (verb)
form into a wreath	provide with decoration
decorate or deck with wreaths	make more attractive by adding ornament, colour, etc.
move with slow, sinuous movements	award a mark of honor, such as a medal, to
	be beautiful to look at