pulsate vs pulsation

pulsate is not a noun while pulsation is a noun.

Word	Noun	Adjective	Verb	Adverb
pulsate	No	No	Yes	No
pulsation	Yes	No	No	No

pulsate (noun)	pulsation (noun)
	(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
	the rhythmic contraction and expansion of the arteries with each beat of the heart
	a periodically recurring phenomenon that alternately increases and decreases some quantity

pulsate (verb)	pulsation (verb)
produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses
expand and contract rhythmically; beat rhythmically
move with or as if with a regular alternating motion