Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
folgje
←
Proto-Germanic
*fulgāną
(inherited)
←
Proto-West Germanic
*folgēn
(inherited)
←
Old Frisian
folgia
(inherited)
→
West Frisian
folchoarder
(compound)