armistice vs cease-fire

armistice and cease-fire both are nouns.

Word	Noun	Adjective	Verb	Adverb
armistice	Yes	No	No	No
cease-fire	Yes	No	No	No

As nouns, armistice and cease-fire are synonyms defined as:

armistice and cease-fire: a state of peace agreed to between opponents so they can discuss peace terms

Other synonyms of armistice include truce.

armistice (noun)	cease-fire (noun)
a state of peace agreed to between opponents so they can discuss peace terms	a state of peace agreed to between opponents so they can discuss peace terms