permission vs conge

permission and conge both are nouns.

Word	Noun	Adjective	Verb	Adverb
permission	Yes	No	No	No
conge	Yes	No	Yes	No

As nouns, conge is a hyponym of permission; that is, conge is a word with a more specific, narrower meaning than permission:

Other hyponyms of permission include clearance, congee, allowance, dispensation, toleration.

permission (noun)	conge (noun)
the act of giving a formal (usually written) authorization	formal permission to depart
approval to do something	an abrupt and unceremonious dismissal
	(architecture) a concave molding

permission (verb)	conge (verb)
	perform a ceremonious bow