pit vs mine

pit and mine both are nouns.

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

pit (noun)	mine (noun)
a surface excavation for extracting stone or slate	explosive device that explodes on contact; designed to destroy vehicles or ships or to kill or maim personnel
a workplace consisting of a coal mine plus all the buildings and equipment connected with it	excavation in the earth from which ores and minerals are extracted
a trap in the form of a concealed hole
lowered area in front of a stage where an orchestra accompanies the performers
(auto racing) an area at the side of a racetrack where the race cars are serviced and refueled
(commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on
an enclosure in which animals are made to fight
(Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment
a sizeable hole (usually in the ground)
the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed
a concavity in a surface (especially an anatomical depression)

pit (verb)	mine (verb)
remove the pits from	lay mines
set into opposition or rivalry	get from the earth by excavation
mark with a scar