Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
juns
←
German
jener
(cognate)
←
West Frisian
jinge
(cognate)
←
Proto-Germanic
*jainaz
(inherited)
←
Old Frisian
jen
(inherited)