cowpoke vs wrangler

cowpoke and wrangler both are nouns.

Word	Noun	Adjective	Verb	Adverb
cowpoke	Yes	No	No	No
wrangler	Yes	No	No	No

As nouns, wrangler is a hyponym of cowpoke; that is, wrangler is a word with a more specific, narrower meaning than cowpoke:

cowpoke: a hired hand who tends cattle and performs other duties on horseback
wrangler: a cowboy who takes care of the saddle horses

Other hyponyms of cowpoke include buckaroo, buckeroo, vaquero, cowgirl, gaucho, horse wrangler, roper, cattleman, cowboy, cowman.

cowpoke (noun)	wrangler (noun)
a hired hand who tends cattle and performs other duties on horseback	a cowboy who takes care of the saddle horses
	someone who argues noisily or angrily