cowpoke vs cowpuncher

cowpoke and cowpuncher both are nouns.

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

As nouns, cowpoke and cowpuncher are synonyms defined as:

cowpoke and cowpuncher: a hired hand who tends cattle and performs other duties on horseback

Other synonyms of cowpoke include cowhand, cowherd, puncher.

cowpoke (noun)	cowpuncher (noun)
a hired hand who tends cattle and performs other duties on horseback	a hired hand who tends cattle and performs other duties on horseback