seed catalog vs seed catalogue

seed catalog and seed catalogue both are nouns.

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

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

seed catalog and seed catalogue: a list advertising seeds and their prices

seed catalog (noun)	seed catalogue (noun)
a list advertising seeds and their prices	a list advertising seeds and their prices