c. 1600, "wild, undomesticated," from Middle French feral "wild," from Latin fera, in phrase fera bestia "wild animal," from ferus "wild" (from PIE root *ghwer- "wild beast"). Since 19c. commonly "run wild, having escaped from domestication."
a pack of feral dogs
Fenian
fennec
fennel
fenugreek
fer de lance
feral
Ferdinand
fere
Fergus
ferhoodle
ferial