Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
steorn
←
Proto-West Germanic
*stirniju
(inherited)
→
English
sternum
(cognate)
→
Saterland Frisian
Stierne
(cognate)