honour vs commendation

honour and commendation both are nouns.

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

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

honour: a tangible symbol signifying approval or distinction
commendation: an official award (as for bravery or service) usually given as formal public statement

honour (noun)	commendation (noun)
the quality of being honorable and having a good name	an official award (as for bravery or service) usually given as formal public statement
a woman's virtue or chastity	a message expressing a favorable opinion
a tangible symbol signifying approval or distinction
the state of being honored