mineshaft vs mine

mineshaft and mine both are nouns.

Word	Noun	Adjective	Verb	Adverb
mineshaft	Yes	No	No	No
mine	Yes	No	Yes	No

mineshaft (noun)	mine (noun)
excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine	explosive device that explodes on contact; designed to destroy vehicles or ships or to kill or maim personnel
	excavation in the earth from which ores and minerals are extracted

mineshaft (verb)	mine (verb)
	lay mines
	get from the earth by excavation