Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
Iersen
←
English
iron
(cognate)
←
Proto-Germanic
*īsarną
(inherited)
←
Old Frisian
īsern
(inherited)