pulsation vs pulsate

pulsation is a noun but pulsate is not a noun.

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

pulsation (noun)	pulsate (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

pulsation (verb)	pulsate (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