propel vs throw

propel is not a noun while throw is a noun.

Word	Noun	Adjective	Verb	Adverb
propel	No	No	Yes	No
throw	Yes	No	Yes	No

As verbs, throw is a hyponym of propel; that is, throw is a word with a more specific, narrower meaning than propel:

Other hyponyms of propel include flip, rocket, carry, kick, pole, punt, hit, drive, launch, catapult, project, send off, loft.

propel (noun)	throw (noun)
	the act of throwing (propelling something with a rapid movement of the arm and wrist)
	casting an object in order to determine an outcome randomly
	bedclothes consisting of a lightweight cloth covering (an afghan or bedspread) that is casually thrown over something
	the maximum movement available to a pivoted or reciprocating piece by a cam
	a single chance or instance

propel (verb)	throw (verb)
cause to move forward with force	be confusing or perplexing to; cause to be unable to think clearly
give an incentive for action	convey or communicate; of a smile, a look, a physical gesture
	utter with force; utter vehemently
	propel through the air
	cause to go on or to be engaged or set in operation
	place or put with great energy
	cause to fall off
	to remove
	throw (a die) out onto a flat surface
	make on a potter's wheel
	put or send forth
	organize or be responsible for
	cause to be confused emotionally
	move violently, energetically, or carelessly
	to put into a state or activity hastily, suddenly, or carelessly