spiv vs idler

spiv and idler both are nouns.

Word	Noun	Adjective	Verb	Adverb
spiv	Yes	No	No	No
idler	Yes	No	No	No

As nouns, idler is a hypernym of spiv; that is, idler is a word with a broader meaning than spiv:

spiv: a person without employment who makes money by various dubious schemes; goes about smartly dressed and having a good time
idler: person who does no work

Other hypernyms of spiv include bum, do-nothing, layabout, loafer.

spiv (noun)	idler (noun)
a person without employment who makes money by various dubious schemes; goes about smartly dressed and having a good time	person who does no work