slant vs slope

slant and slope both are nouns.

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

As nouns, slope is a hypernym of slant; that is, slope is a word with a broader meaning than slant:

slant: degree of deviation from a horizontal plane
slope: the property possessed by a line or surface that departs from the horizontal

Other hypernyms of slant include gradient.

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

Other hyponyms of slant include incline, pitch, weather, heel, list, lean back, recline.

slant (noun)	slope (noun)
degree of deviation from a horizontal plane	the property possessed by a line or surface that departs from the horizontal
a biased way of looking at or presenting something	an elevated geological formation

slant (verb)	slope (verb)
present with a bias	be at an angle
to incline or bend from a vertical position
heel over
lie obliquely