cant vs old man

cant and old man both are nouns.

Word	Noun	Adjective	Verb	Adverb
cant	Yes	No	Yes	No
old man	Yes	No	No	No

cant (noun)	old man (noun)
two surfaces meeting at an angle different from 90 degrees	an informal term for your father
a characteristic language of a particular group (as among thieves)	a man who is very old
stock phrases that have become nonsense through endless repetition	a familiar term of address for a man
insincere talk about religion or morals	(slang) boss
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	aromatic herb of temperate Eurasia and North Africa having a bitter taste used in making the liqueur absinthe

cant (verb)	old man (verb)
heel over