furlough vs give notice

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

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

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

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

Other hypernyms of furlough include can, dismiss, displace, fire, force out, give the axe, give the sack, sack, send away, terminate.

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

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