roper vs rope-maker

roper and rope-maker both are nouns.

Word	Noun	Adjective	Verb	Adverb
roper	Yes	No	No	No
rope-maker	Yes	No	No	No

As nouns, roper and rope-maker are synonyms defined as:

Other synonyms of roper include ropemaker.

roper (noun)	rope-maker (noun)
a craftsman who makes ropes	a craftsman who makes ropes
a cowboy who uses a lasso to rope cattle or horses
a decoy who lures customers into a gambling establishment (especially one with a fixed game)