dismission vs sacking

dismission and sacking both are nouns.

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

As nouns, dismission and sacking are synonyms defined as:

dismission and sacking: the termination of someone's employment (leaving them free to depart)

Other synonyms of dismission include discharge, dismissal, firing, liberation, release, sack.

dismission (noun)	sacking (noun)
the termination of someone's employment (leaving them free to depart)	the termination of someone's employment (leaving them free to depart)
official notice that you have been fired from your job	coarse fabric used for bags or sacks