good egg vs cant

good egg and cant both are nouns.

Word	Noun	Adjective	Verb	Adverb
good egg	Yes	No	No	No
cant	Yes	No	Yes	No

good egg (noun)	cant (noun)
(old-fashioned slang) a good person	two surfaces meeting at an angle different from 90 degrees
	a characteristic language of a particular group (as among thieves)
	stock phrases that have become nonsense through endless repetition
	insincere talk about religion or morals
	a slope in the turn of a road or track; the outside is higher than the inside in order to reduce the effects of centrifugal force

good egg (verb)	cant (verb)
	heel over