Battle of Britain vs engagement

Battle of Britain and engagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
Battle of Britain	Yes	No	No	No
engagement	Yes	No	No	No

Battle of Britain (noun)	engagement (noun)
the prolonged bombardment of British cities by the German Luftwaffe during World War II and the aerial combat that accompanied it	the act of sharing in the activities of a group
	a hostile meeting of opposing military forces in the course of a war
	the act of giving someone a job
	employment for performers or performing groups that lasts for a limited period of time
	a mutual promise to marry
	contact by fitting together
	a meeting arranged in advance