eye vs sclera

eye and sclera both are nouns.

Word	Noun	Adjective	Verb	Adverb
eye	Yes	No	Yes	No
sclera	Yes	No	No	No

eye (noun)	sclera (noun)
a small hole or loop (as in a needle)	the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball
the organ of sight
good discernment (either visually or as if visually)
attention to what is seen
an area that is approximately central within some larger region

eye (verb)	sclera (verb)
look at