propulsive vs dynamic

propulsive is not a noun while dynamic is a noun.

Word	Noun	Adjective	Verb	Adverb
propulsive	No	Yes	No	No
dynamic	Yes	Yes	No	No

propulsive (noun)	dynamic (noun)
	an efficient incentive

propulsive (adjective)	dynamic (adjective)
having the power to propel	characterized by action or forcefulness or force of personality
tending to or capable of propelling	(used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being
	of or relating to dynamics