echidna, spiny anteater, anteater
['matchstick', 'wood rabbit, cottontail, cottontail rabbit', 'electric ray, crampfish, numbfish, torpedo', 'abacus', 'chain saw, chainsaw', 'American black bear, black bear, Ursus americanus, Euarctos americanus', 'hog, pig, grunter, squealer, Sus scrofa']