furlough vs permit

furlough and permit both are nouns.

Word	Noun	Adjective	Verb	Adverb
furlough	Yes	No	Yes	No
permit	Yes	No	Yes	No

As verbs, permit is a hypernym of furlough; that is, permit is a word with a broader meaning than furlough:

Other hypernyms of furlough include allow, countenance, let.

furlough (noun)	permit (noun)
a temporary leave of absence from military duty	the act of giving a formal (usually written) authorization
	large game fish; found in waters of the West Indies
	a legal document giving official permission to do something

furlough (verb)	permit (verb)
grant a leave to	consent to, give permission; permit
dismiss, usually for economic reasons	allow the presence of or allow (an activity) without opposing or prohibiting
	make it possible through a specific action or lack of action for something to happen