severalize vs differentiate

severalize and differentiate both are verbs.

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

As verbs, severalize and differentiate are synonyms defined as:

Other synonyms of severalize include distinguish, secern, secernate, separate, severalise, tell, tell apart.

As verbs, differentiate is a hypernym of severalize; that is, differentiate is a word with a broader meaning than severalize:

Other hypernyms of severalize include distinguish, secern, secernate, separate, severalise, severalize, tell, tell apart.

severalize (verb)	differentiate (verb)
mark as different	become distinct and acquire a different character
distinguish or separate	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