honour vs renown

honour and renown both are nouns.

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

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

Other hyponyms of honour include glorification, glory, celebrity, fame, esteem, regard, respect, reputation, repute.

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