dismissible vs dismiss

dismissible is an adjective but dismiss is not an adjective.

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

dismissible (adjective)	dismiss (adjective)
subject to dismissal

dismissible (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