differentiation vs differentiate

differentiation is a noun but differentiate is not a noun.

Word	Noun	Adjective	Verb	Adverb
differentiation	Yes	No	No	No
differentiate	No	No	Yes	No

differentiation (noun)	differentiate (noun)
the mathematical process of obtaining the derivative of a function
a discrimination between things as different and distinct on the basis of their characteristics or attributes
(biology) the structural adaptation of some body part for a particular function

differentiation (verb)	differentiate (verb)
	become distinct and acquire a different character
	become different during development
	evolve so as to lead to a new species or develop in a way most suited to the environment
	calculate a derivative; take the derivative
	mark as different
	be a distinctive feature, attribute, or trait; sometimes in a very positive sense