happy-go-lucky vs freewheeling

happy-go-lucky and freewheeling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
happy-go-lucky	No	Yes	No	No
freewheeling	No	Yes	No	No

As adjectives, happy-go-lucky and freewheeling are synonyms defined as:

Other synonyms of happy-go-lucky include carefree, devil-may-care, harum-scarum, slaphappy.

happy-go-lucky (adjective)	freewheeling (adjective)
cheerfully irresponsible	cheerfully irresponsible
	free of restraints or rules