dismission vs dismiss

dismission is a noun but dismiss is not a noun.

Word	Noun	Adjective	Verb	Adverb
dismission	Yes	No	No	No
dismiss	No	No	Yes	No

dismission (noun)	dismiss (noun)
the termination of someone's employment (leaving them free to depart)
official notice that you have been fired from your job

dismission (verb)	dismiss (verb)
	declare void
	bar from attention or consideration
	end one's encounter with somebody by causing or permitting the person to leave
	cease to consider; put out of judicial consideration
	terminate the employment of; discharge from an office or position
	stop associating with