albuginea vs sclera

albuginea and sclera both are nouns.

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

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

albuginea: whitish tunic
sclera: the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball

Other hyponyms of albuginea include sclerotic coat, tunica albuginea testes.

albuginea (noun)	sclera (noun)
whitish tunic	the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball