xopepe.

Headword: 
xopepe.
Principal English Translation: 

cockroach (see Karttunen)

IPAspelling: 
ʃopepe
Frances Karttunen: 

XOPEPE cockroach / cucaracha (Z) [(2)Zp.36,230]. This is a Totonac loanword, but Z also has XIPIPI ‘wart, pimple,’ which does appear to be of native lexical stock.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 331.