dismount vs get off

dismount is a noun but get off is not a noun.

Word	Noun	Adjective	Verb	Adverb
dismount	Yes	No	Yes	No
get off	No	No	Yes	No

As verbs, dismount and get off are synonyms defined as:

Other synonyms of dismount include get down, light, unhorse.

dismount (noun)	get off (noun)
the act of dismounting (a horse or bike etc.)

dismount (verb)	get off (verb)
alight from (a horse)	escape potentially unpleasant consequences; get away with a forbidden action
	cause to be acquitted; get off the hook; in a legal case
	deliver verbally
	transfer
	get high, stoned, or drugged
	send via the postal service
	alight from (a horse)
	get out of quickly
	leave a vehicle, aircraft, etc.
	enjoy in a sexual way
	be relieved of one's duties temporarily