buckeroo vs vaquero

buckeroo and vaquero both are nouns.

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

As nouns, buckeroo and vaquero are synonyms defined as:

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

Other synonyms of buckeroo include buckaroo.

buckeroo (noun)	vaquero (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)