rub along vs cope

rub along is not a noun while cope is a noun.

Word	Noun	Adjective	Verb	Adverb
rub along	No	No	Yes	No
cope	Yes	No	Yes	No

As verbs, cope is a hypernym of rub along; that is, cope is a word with a broader meaning than rub along:

rub along: manage one's existence barely
cope: succeed in doing, achieving, or producing (something) with the limited or inadequate means available

Other hypernyms of rub along include contend, deal, get by, grapple, make do, make out, manage.

rub along (noun)	cope (noun)
	brick that is laid sideways at the top of a wall
	a long cloak; worn by a priest or bishop on ceremonial occasions

rub along (verb)	cope (verb)
manage one's existence barely	succeed in doing, achieving, or producing (something) with the limited or inadequate means available