Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*þruhtuz
→
Old English
þroht
(inherited)
→
Icelandic
þróttur
(inherited)
→
Old Norse
þróttr
(inherited)