fraction vs fractionate

fraction is a noun but fractionate is not a noun.

Word	Noun	Adjective	Verb	Adverb
fraction	Yes	No	Yes	No
fractionate	No	No	Yes	No

fraction (noun)	fractionate (noun)
a small part or item forming a piece of a whole
the quotient of two rational numbers
a component of a mixture that has been separated by a fractional process

fraction (verb)	fractionate (verb)
perform a division	obtain by a fractional process
	separate into constituents or fractions containing concentrated constituents