xopilchicuace.

Headword: 
xopilchicuace.
Principal English Translation: 

a person with six toes on his feet (Molina)

Orthographic Variants: 
xopilchiquace
Alonso de Molina: 

xopilchiquace. hombre de seis dedos enlos pies.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 161r. col. 2. Thanks to Joe Campbell for providing the transcription.