drop forge vs forge

drop forge and forge both are nouns.

Word	Noun	Adjective	Verb	Adverb
drop forge	Yes	No	No	No
forge	Yes	No	Yes	No

drop forge (noun)	forge (noun)
device for making large forgings	a workplace where metal is worked by heating and hammering
	furnace consisting of a special hearth where metal is heated before shaping

drop forge (verb)	forge (verb)
	create by hammering
	make a copy of with the intent to deceive
	make out of components (often in an improvising manner)
	make something, usually for a specific function
	come up with (an idea, plan, explanation, theory, or principle) after a mental effort
	move or act with a sudden increase in speed or energy
	move ahead steadily