Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
þræl
←
Danish
træl
(cognate)
←
Proto-Germanic
*þragilaz
(derived)
←
Proto-Germanic
*þrahilaz
(mention)
←
Proto-Germanic
*þrēhilaz
(mention)
←
Proto-Germanic
*þreh-
(mention)
←
Proto-Germanic
*þreg-
(mention)
←
Proto-Germanic
*þrag-
(mention)
←
Proto-Indo-European
*trāgʰ-
(derived)
←
Old Norse
þræll
(borrowed)
←
Swedish
träl
(cognate)