shaft vs tunnel

shaft and tunnel both are nouns.

Word	Noun	Adjective	Verb	Adverb
shaft	Yes	No	Yes	No
tunnel	Yes	No	Yes	No

shaft (noun)	tunnel (noun)
the hollow spine of a feather	a passageway through or under something, usually underground (especially one for trains or cars)
a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow)	a hole made by an animal, usually for shelter
a revolving rod that transmits power or motion
a long vertical passage sunk into the earth, as for a mine or tunnel
(architecture) upright consisting of the vertical part of a column
a vertical passageway through a building (as for an elevator)
a long pointed rod used as a tool or weapon
the main (mid) section of a long bone
obscene terms for penis
a line that forms the length of an arrow pointer
an aggressive remark directed at a person like a missile and intended to have a telling effect
a column of light (as from a beacon)

shaft (verb)	tunnel (verb)
defeat someone through trickery or deceit	force a way through
equip with a shaft	move through by or as by digging