vaquero vs buckaroo

vaquero and buckaroo both are nouns.

Word	Noun	Adjective	Verb	Adverb
vaquero	Yes	No	No	No
buckaroo	Yes	No	No	No

As nouns, vaquero and buckaroo are synonyms defined as:

vaquero and buckaroo: local names for a cowboy (`vaquero' is used especially in southwestern and central Texas and `buckaroo' is used especially in California)

Other synonyms of vaquero include buckeroo.

vaquero (noun)	buckaroo (noun)
local names for a cowboy (`vaquero' is used especially in southwestern and central Texas and `buckaroo' is used especially in California)	local names for a cowboy (`vaquero' is used especially in southwestern and central Texas and `buckaroo' is used especially in California)