Bible Greek and Hebrew Dictionaries combined for Word Studies
Genesis Chapter 1
canker 1044 # gaggraina {gang'-grahee-nah}; from graino (to gnaw); an ulcer ("gangrene"): -- {canker}.
canker 2728 # katioo {kat-ee-o'-o}; from 2596 and a derivative of 2447; to rust down, i.e. corrode: -- {canker}.