deform vs incurvate

deform is not an adjective while incurvate is an adjective.

Word	Noun	Adjective	Verb	Adverb
deform	No	No	Yes	No
incurvate	No	Yes	Yes	No

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

Other hyponyms of deform include dent, indent, gnarl, crank, convolute, convolve.

deform (adjective)	incurvate (adjective)
	bent into or having an inward curve

deform (verb)	incurvate (verb)
become misshapen	cause to curve inward
alter the shape of (something) by stress	bend inwards
assume a different shape or form
make formless
cause (an object) to assume a crooked or angular form
twist and press out of shape