rub vs gloss

rub and gloss both are nouns.

Word	Noun	Adjective	Verb	Adverb
rub	Yes	No	Yes	No
gloss	Yes	No	Yes	No

rub (noun)	gloss (noun)
the act of rubbing or wiping	the property of being smooth and shiny
an unforeseen obstacle	an outward or token appearance or form that is deliberately misleading
	an explanation or definition of an obscure word in a text
	an alphabetical list of technical terms in some specialized field of knowledge; usually published as an appendix to a text on that field

rub (verb)	gloss (verb)
move over something with pressure	provide an interlinear translation of a word or phrase
cause friction	provide interlinear explanations for words or phrases
scrape or rub as if to relieve itching	give a deceptive explanation or excuse for
	give a shine or gloss to, usually by rubbing