*jefe* m. head, chief
*jergón* m. straw tick, straw bed
*jerigonza* f. (*gerigonza*) jargon; rigmarole
*Jesús* m. Jesus; as an exclam. mercy, gracious
*jícara* f. chocolate cup
*jornada* f. military expedition
*José* Joseph
*jota* f. letter J; jot
*joven* young; m. and f. young man; young woman
*Juan* John