classify vs catalogue

classify is not a noun while catalogue is a noun.

Word	Noun	Adjective	Verb	Adverb
classify	No	No	Yes	No
catalogue	Yes	No	Yes	No

As verbs, catalogue is a hyponym of classify; that is, catalogue is a word with a more specific, narrower meaning than classify:

classify (noun)	catalogue (noun)
	a book or pamphlet containing an enumeration of things
	a complete list of things; usually arranged systematically

classify (verb)	catalogue (verb)
arrange or order by classes or categories	make an itemized list or catalog of; classify
assign to a class or kind	make a catalogue, compile a catalogue
declare unavailable, as for security reasons