Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
ier
←
Proto-Germanic
*airiz
(inherited)
←
Proto-Germanic
*ahaz
(inherited)
←
Old Frisian
ēr
(inherited)
←
Old Frisian
*ēr
(inherited)
→
English
ear
(cognate)
→
German
Ähre
(cognate)