light vs shaft

light and shaft both are nouns.

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

As nouns, shaft is a hyponym of light; that is, shaft is a word with a more specific, narrower meaning than light:

light: (physics) electromagnetic radiation that can produce a visual sensation
shaft: a column of light (as from a beacon)

light (noun)	shaft (noun)
any device serving as a source of illumination	the hollow spine of a feather
a device for lighting or igniting fuel or charges or fires	a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow)
the visual effect of illumination on objects or scenes as created in pictures	a revolving rod that transmits power or motion
the quality of being luminous; emitting or reflecting light	a long vertical passage sunk into the earth, as for a mine or tunnel
merriment expressed by a brightness or gleam or animation of countenance	(architecture) upright consisting of the vertical part of a column
mental understanding as an enlightening experience	a vertical passageway through a building (as for an elevator)
a particular perspective or aspect of a situation	a long pointed rod used as a tool or weapon
public awareness	the main (mid) section of a long bone
a visual warning signal	obscene terms for penis
an illuminated area	a line that forms the length of an arrow pointer
a person regarded very fondly	an aggressive remark directed at a person like a missile and intended to have a telling effect
(physics) electromagnetic radiation that can produce a visual sensation	a column of light (as from a beacon)
having abundant light or illumination
a condition of spiritual awareness; divine illumination

light (adjective)	shaft (adjective)
of comparatively little physical weight or density
psychologically light; especially free from sadness or troubles
not great in degree or quantity or number
of the military or industry; using (or being) relatively small or light arms or equipment
(used of color) having a relatively small amount of coloring agent
characterized by or emitting light
(physics, chemistry) not having atomic weight greater than average
of little intensity or power or force
easily assimilated in the alimentary canal; not rich or heavily seasoned
silly or trivial
weak and likely to lose consciousness
having little importance
less than the correct or legal or full amount often deliberately so
designed for ease of movement or to carry little weight
moving easily and quickly; nimble
(used of soil) loose and large-grained in consistency
having relatively few calories
(of sound or color) free from anything that dulls or dims
(of sleep) easily disturbed
marked by temperance in indulgence
very thin and insubstantial
casual and unrestrained in sexual behavior
demanding little effort; not burdensome
(used of vowels or syllables) pronounced with little or no stress
intended primarily as entertainment; not serious or profound

light (verb)	shaft (verb)
introduce light into	defeat someone through trickery or deceit
start or maintain a fire in	equip with a shaft
begin to smoke
to come to rest, settle
alight from (a horse)
fall to somebody by assignment or lot; passed
cause to start burning; subject to fire or great heat

light (adverb)	shaft (adverb)
with few burdens