bias vs slant

bias and slant both are nouns.

Word	Noun	Adjective	Verb	Adverb
bias	Yes	Yes	Yes	No
slant	Yes	No	Yes	No

As verbs, slant is a hyponym of bias; that is, slant is a word with a more specific, narrower meaning than bias:

Other hyponyms of bias include angle, weight.

bias (noun)	slant (noun)
a partiality that prevents objective consideration of an issue or situation	degree of deviation from a horizontal plane
a line or cut across a fabric that is not at right angles to a side of the fabric	a biased way of looking at or presenting something

bias (adjective)	slant (adjective)
slanting diagonally across the grain of a fabric

bias (verb)	slant (verb)
cause to be biased	present with a bias
influence in an unfair way	to incline or bend from a vertical position
	heel over
	lie obliquely