harum-scarum vs venturer

harum-scarum and venturer both are nouns.

Word	Noun	Adjective	Verb	Adverb
harum-scarum	Yes	Yes	No	Yes
venturer	Yes	No	No	No

As nouns, venturer is a hypernym of harum-scarum; that is, venturer is a word with a broader meaning than harum-scarum:

Other hypernyms of harum-scarum include adventurer.

harum-scarum (noun)	venturer (noun)
a reckless impetuous irresponsible person	a person who enjoys taking risks
	a merchant who undertakes a trading venture (especially a venture that sends goods overseas)

harum-scarum (adjective)	venturer (adjective)
cheerfully irresponsible

harum-scarum (adverb)	venturer (adverb)
in a wild or reckless manner