cant vs can-do

cant is a noun but can-do is not a noun.

Word	Noun	Adjective	Verb	Adverb
cant	Yes	No	Yes	No
can-do	No	Yes	No	No

cant (noun)	can-do (noun)
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

cant (adjective)	can-do (adjective)
	marked by a willingness to tackle a job and get it done

cant (verb)	can-do (verb)
heel over