Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
tsiis
←
Proto-West Germanic
*kāsī
(inherited)
←
Latin
cāseus
(derived)
←
Old Frisian
tzīse
(inherited)
→
Pennsylvania German
Kaes
(cognate)
→
Saterland Frisian
Síes
(cognate)