feral

adjective

of a deadly nature; deadly, fatal

L1400659 on Wikidata ↗

adjective

formerly domestic animals which survive in the wild
of, relating to, or suggestive of a wild beast
not domesticated or cultivated : wild

L23054 on Wikidata ↗

Wiktionary

adj

Etymology: From Latin fērālis (“funereal”), from Proto-Indo-European *dʰéh₁s (“god, sacred place”).

Deadly, fatal.
Of or pertaining to the dead, funereal.

noun

Etymology: Homophone.

Misspelling of ferrule.