Reconstructing the crab word as *icaL and the bear word as *yoLic-

√*icaL > icaLntu > icaNTu > (i)yaNTu > JaNTu; icaLL-i > JaLLi; icaNTu > Knda esaDi. TamKodava does y>J sporadically, compare mlym pUcca, pUna; kod. pUJe; Tamil yAzh/JAzh; yuka>(Jukam)>nukam

many languages use kAy for crustaceans, like kallumakkAyi, tleugu eNDrakAyi

*icaL explains most of the terms other than tuluoid, unless yaNTu > yanRu > deJji but Tuluoid doesnt do NT > nR and koraga has deGgi

*yoLic- > oLic- > uLiyam

yeLik- > eNku

yolc- > konda olzu

yeŗic- > gondi eŗj-al (the animal suffix *yal)