Words related to wild
wold (n.) Old English wald (Anglian), weald (West Saxon, Kentish) "forest, wooded upland," from Proto-Germanic *walthuz (source also of Old Saxon and Old Frisian wald, Middle Dutch woude, wold, Dutch woud, Middle Low German walde, Old High German wald, German Wald "forest," Swedish vall "pasture," Old Norse völlr "soil, field, meadow"), from PIE root *welt- "woods; wild." The sense development from "forested upland" to "rolling open country" (c. 1200) perhaps is from Scandinavian influence, or a testimony to the historical deforestation of Britain. Not current since mid-16c.; survives mainly in place names (such as Cotswold).
wild card (n.) 1950 in figurative sense, from literal use in certain forms of poker (1941), from wild (adj.) + card (n.1). The phrase was used occasionally c. 1900 in British and Irish writing to mean "drinking, free-spirited man." wild man (n.) c. 1200, "man lacking in self-restraint," from wild (adj.) + man (n.). From mid-13c. as "primitive, savage." Late 14c. as a surname. wildcat (n.) undomesticated cat, early 14c. (late 12c. as a surname), from wild (adj.) + cat (n.). Meaning "savage woman" is recorded from 1570s; sense of "one who forms rash projects" is attested from 1812. The adjective in the financial speculative sense is first recorded 1838, American English. wildebeest (n.) 1838, from South African Dutch (in modern Afrikaans wildebees, plural wildebeeste), literally "wild beast," from Dutch wild "wild" (see wild (adj.)) + beest "beast, ox" (in South African Dutch "steer, cattle"), from Middle Dutch beeste, from Old French beste "beast" (see beast). wilderness (n.) c. 1200, "wild, uninhabited, or uncultivated place," with -ness + Old English wild-deor "wild animal, wild deer;" see wild (adj.) + deer (n.). Similar formation in Dutch wildernis, German Wildernis, though the usual form there is Wildnis. wildfire (n.) late Old English wilde fyr "destructive fire" (perhaps caused by lightning); also "erysipelas, spreading skin disease;" see wild (adj.) + fire (n.). From c. 1300 as "Greek fire," also fire rained down from the sky as divine retribution. Figurative sense from late 14c. By 1795 as "sheet lightning." wildness (n.) early 14c., "unrestrained behavior," from wild (adj.) + -ness. Late 14c. as "frenzy;" mid-15c. as "undomesticated state."