slant vs bias

slant and bias both are nouns.

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

As verbs, bias is a hypernym of slant; that is, bias is a word with a broader meaning than slant:

Other hypernyms of slant include predetermine.

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

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

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