eggshell vs egg

eggshell and egg both are nouns.

Word	Noun	Adjective	Verb	Adverb
eggshell	Yes	No	No	No
egg	Yes	No	Yes	No

eggshell (noun)	egg (noun)
the exterior covering of a bird's egg	animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
	one of the two male reproductive glands that produce spermatozoa and secrete androgens
	oval reproductive body of a fowl (especially a hen) used as food

eggshell (verb)	egg (verb)
	coat with beaten egg
	throw eggs at