Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English spelk
Old English spilc (inherited)
Old English spelc (mention)
Middle English spelke (inherited)
Proto-Germanic *spelkō (inherited)
Proto-Germanic *spalkō (mention)
Proto-Germanic *spalkuz (mention)

English splinter (link)