compass vs catch on

compass is a noun but catch on is not a noun.

Word	Noun	Adjective	Verb	Adverb
compass	Yes	No	Yes	No
catch on	No	No	Yes	No

As verbs, catch on is a hyponym of compass; that is, catch on is a word with a more specific, narrower meaning than compass:

Other hyponyms of compass include figure, cotton on, get it, get onto, get wise, latch on, tumble, twig, intuit, digest.

compass (noun)	catch on (noun)
navigational instrument for finding directions
drafting instrument used for drawing circles
an area in which something acts or operates or has power or control:
the limit of capability

compass (verb)	catch on (verb)
get the meaning of something	become popular
travel around, either by plane or ship	understand, usually after some initial difficulty
bring about; accomplish