M
- macho
- from macho, male, brave, the property of being overtly masculine. In Spanish is masculinity
- majordomo
- via Spanish mayordomo or Italian maggiordomo (both meaning "butller") from Latin maior domus meaning "mayor of the place."
- matador
- from matador meaning "killer" from matar ("to kill") probably from Arabic مات mata meaning "he died", also possibly cognate with Persian مردن mordan, "to die" as well as English "murder." Another theory is that the word "matador" is derived from a combination of the Vulgar Latin mattāre, from Late Latin mactare (to slaughter, kill) and the Latin -tor (which is cognate with Greek τορ -tōr and Sanskrit तर -tar-.)
- mesa
- from mesa, table. The corresponding Spanish word to a flat top mountain is meseta
- mescal
- from Spanish mezcal, from Nahuatl mexcalli
- mesquite
- from Mexican Spanish mezquite, from Nahuatl mizquitl
- mestizo
- from mestizo, "racially mixed." in Spanish, refers to a person of mixed European-native American descent
- mojito
- dim. formed from "mojado" (wet or dripping) probably referring to the mint leaves in the well known Cuban drink
- mole
- from Spanish, from Nahuatl molle or molli ("sauce")
- Montana
- from montaña, a mountain
- mosquito
- from mosquito, literally "little fly"
- mulatto
- from Spanish or Portuguese mulato meaning "octoroon, sambo". in Spanish, refers to a person of mixed European-African descent. it is not derogatory
- mustang
- from mestengo or mesteño, "without known master or owner" (archaic)
- mustee
- from mestizo, "racially mixed."
Read more about this topic: List Of English Words Of Spanish Origin