embryology vs eyecup

embryology and eyecup both are nouns.

Word	Noun	Adjective	Verb	Adverb
embryology	Yes	No	No	No
eyecup	Yes	No	No	No

embryology (noun)	eyecup (noun)
the branch of biology that studies the formation and early development of living organisms	(embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
	a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball