α. 1500s Quecalcouatl, 1500s Quezalcoualt, 1500s Quezalcouately, 1500s Quezalcouatle, 1500s–1600s Quezalcouatl, 1600s Quecalcovatl, 1600s Quezalcoail, 1700s Quezalcoal, 1700s Quezalcolt, 1700s– Quezalcoatl.
β. 1600s Quetzacoaalt, 1600s Quetzacoalt, 1600s Quetzalcoalt, 1600s–1700s Quetzaalcoalt, 1700s Quatzalcoatl, 1700s Quatzaltoualt, 1700s Quatzultoult, 1700s– Quetzalcoatl, 1800s Quetzalcohuatl, 1900s– Ketzalcoatl, 1900s– Quetzalcoatle.