give notice vs furlough

give notice is not a noun while furlough is a noun.

Word	Noun	Adjective	Verb	Adverb
give notice	No	No	Yes	No
furlough	Yes	No	Yes	No

As verbs, furlough is a hyponym of give notice; that is, furlough is a word with a more specific, narrower meaning than give notice:

give notice: terminate the employment of; discharge from an office or position
furlough: dismiss, usually for economic reasons

Other hyponyms of give notice include retire, pension off, clean out, lay off, squeeze out, dismiss, drop, send away, send packing.

give notice (noun)	furlough (noun)
	a temporary leave of absence from military duty

give notice (verb)	furlough (verb)
inform (somebody) of something	grant a leave to
terminate the employment of; discharge from an office or position	dismiss, usually for economic reasons