occenca.

Headword: 
occenca.
Principal English Translation: 

principally, especially (see Karttunen)

IPAspelling: 
oksenkɑh
Alonso de Molina: 

occenca. mayormente, o principalmente. aduerbio.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 74v. col. 2. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

OCCENCAH principally, especially / mayormente o principalmente (M) [(3)Cf.87r,87v]. See OCCENCAH.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 175.