gloss over vs gloss

gloss over is not a noun while gloss is a noun.

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

gloss over (noun)	gloss (noun)
	the property of being smooth and shiny
	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

gloss over (verb)	gloss (verb)
cover up a misdemeanor, fault, or error	provide an interlinear translation of a word or phrase
treat hurriedly or avoid dealing with properly	provide interlinear explanations for words or phrases
	give a deceptive explanation or excuse for
	give a shine or gloss to, usually by rubbing