decoration vs honour

decoration and honour both are nouns.

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

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

decoration: an award for winning a championship or commemorating some other event
honour: a tangible symbol signifying approval or distinction

Other hypernyms of decoration include accolade, award, honor, laurels.

decoration (noun)	honour (noun)
the act of decorating something (in the hope of making it more attractive)	the quality of being honorable and having a good name
something used to beautify	a woman's virtue or chastity
an award for winning a championship or commemorating some other event	a tangible symbol signifying approval or distinction
	the state of being honored