gloss over vs sleek over

gloss over and sleek over both are verbs.

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

As verbs, gloss over and sleek over are synonyms defined as:

Other synonyms of gloss over include hush up, whitewash.

gloss over (verb)	sleek over (verb)
cover up a misdemeanor, fault, or error	cover up a misdemeanor, fault, or error
treat hurriedly or avoid dealing with properly