Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Middle English welken
Old English wolcnu (inherited)
Old English wolcen (mention)
Old English wolcn (mention)
Middle Dutch welken (cognate)
Middle English welkne (alter)
Middle English welkene (alter)
Middle English wolken (alter)
Middle English wolkne (alter)
Middle English walkyn (alter)
Middle English wolkene (alter)
Middle English walkene (alter)
Middle English walkne (alter)
Middle English welkyn (alter)
Middle English walkon (alter)
Middle English weolcne (alter)
Middle English wolcn (alter)
Middle English wlcne (alter)
Middle English wolcnu (alter)
Middle English walcne (alter)
Middle English weolkne (alter)
Middle English wolcne (alter)
Middle English welkyn (alter)
Middle English welke (alter)
Middle English welk (alter)
Proto-Germanic *wulkaną (inherited)
Middle Low German welken (cognate)

English wilt (derived)
English welkin (inherited)
English welk (inherited)