büntetendnek
Büntetendnek is a form that appears to be derived from the Hungarian verb büntetni, meaning “to punish.” In standard modern Hungarian, this exact orthography is not commonly listed as a separate, productive form in major dictionaries or grammar references. The closest widely attested forms are büntetnek (they punish) and büntetnének (they would punish).
Linguistic discussions sometimes describe participial or adjectival formations built with the -end- suffix (as in csinálandó,
Usage guidance: for standard Hungarian, rely on büntetnek for “they punish” or büntetnének for “they would punish.”
See also: Hungarian grammar, Hungarian verb conjugation, büntetni.