honour vs decorate

honour is a noun but decorate is not a noun.

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

As verbs, decorate is a hyponym of honour; that is, decorate is a word with a more specific, narrower meaning than honour:

Other hyponyms of honour include drink, pledge, salute, toast, wassail, dignify, ennoble.

honour (noun)	decorate (noun)
the quality of being honorable and having a good name
a woman's virtue or chastity
a tangible symbol signifying approval or distinction
the state of being honored

honour (verb)	decorate (verb)
accept as pay	provide with decoration
bestow honor or rewards upon	make more attractive by adding ornament, colour, etc.
show respect towards	award a mark of honor, such as a medal, to
	be beautiful to look at