Words that come from Proto-Uralic -w-

400 words across 6 languages descend from Proto-Uralic -w- — including jäätuma, puhudak, jäätis, puhuma, ujuda, ujui, ujudak, ujua.

See the etymology of -w- itself →

Finnish (378)

Estonian (8)

Proto-Finnic (5)

Veps (5)

Votic (2)

Võro (2)