parts catalogue vs parts catalog

parts catalogue and parts catalog both are nouns.

Word	Noun	Adjective	Verb	Adverb
parts catalogue	Yes	No	No	No
parts catalog	Yes	No	No	No

As nouns, parts catalogue and parts catalog are synonyms defined as:

parts catalogue and parts catalog: a list advertising parts for machinery along with prices

parts catalogue (noun)	parts catalog (noun)
a list advertising parts for machinery along with prices	a list advertising parts for machinery along with prices