Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
stēra
→
West Frisian
stjer
(inherited)
→
Old High German
sterno
(cognate)
→
Old Norse
stjarna
(cognate)