PWS

*tVnVn- - a myhical snake (dragon) (SED II No. 227; Kogan 2011: 211)

Ugaritic
tnn (tu-un-na-nu) - a mythical snake (dragon) (DUL 873; Huehnergard 1987: 185–186)
Hebrew
tannīn - a mythical snake (dragon) (HALOT 1759)
Official Aramaic
tnyn - dragon (DNWSI 1223)
Demotic Aramaic
tnn - serpent (DNWSI 1266)
Jewish Palestinian Aramaic
tnyn - serpent (DJPA 587)
Samaritan
tnyn - serpent (DSA 957)
Jewish Babylonian Aramaic
tannīnā - serpent, sea-monster (DJBA 1223)
Syriac
tannīnā - sea serpent (LSyr. 828, SL 1655)
Mandaic
tanina - dragon (MD 480)