viilletään
Viilletään is a form found in Finnish that appears primarily in dialectal or historical usage as the passive present form of a verb meaning to file, sharpen, or smooth a surface. In Standard Finnish, the corresponding passive form for the related verb viilata (to file or hone) is viilataan. Therefore, viilletään is typically considered non-standard or archaic in contemporary language, and is mainly encountered in dialect descriptions or old texts.
Linguistic notes and morphology: Finnish passive present forms are usually built with endings such as -taan,
Usage and register: Because viilletään is not part of standard Finnish, its appearance signals regional provenance,
See also: Finnish language, Finnish dialects, passive voice in Finnish, viilata (to file/sharpen), viilaus (filing/sharpening).