send away vs furlough

send away is not a noun while furlough is a noun.

Word	Noun	Adjective	Verb	Adverb
send away	No	No	Yes	No
furlough	Yes	No	Yes	No

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

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

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

send away (noun)	furlough (noun)
	a temporary leave of absence from military duty

send away (verb)	furlough (verb)
terminate the employment of; discharge from an office or position	grant a leave to
stop associating with	dismiss, usually for economic reasons