light vs perch

light and perch both are nouns.

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

As verbs, light and perch are synonyms defined as:

Other synonyms of light include alight.

light (noun)	perch (noun)
any device serving as a source of illumination	spiny-finned freshwater food and game fishes
a device for lighting or igniting fuel or charges or fires	any of numerous spiny-finned fishes of various families of the order Perciformes
the visual effect of illumination on objects or scenes as created in pictures	support consisting of a branch or rod that serves as a resting place (especially for a bird)
the quality of being luminous; emitting or reflecting light	any of numerous fishes of America and Europe
merriment expressed by a brightness or gleam or animation of countenance	an elevated place serving as a seat
mental understanding as an enlightening experience	a linear measure of 16.5 feet
a particular perspective or aspect of a situation	a square rod of land
public awareness
a visual warning signal
an illuminated area
a person regarded very fondly
(physics) electromagnetic radiation that can produce a visual sensation
having abundant light or illumination
a condition of spiritual awareness; divine illumination

light (adjective)	perch (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)	perch (verb)
introduce light into	sit, as on a branch
start or maintain a fire in	cause to perch or sit
begin to smoke	to come to rest, settle
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)	perch (adverb)
with few burdens