Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
thriotan
←
Proto-Germanic
*þreutaną
(inherited)
←
Proto-West Germanic
*þreutan
(inherited)
→
Old English
þreotan
(cognate)
→
Old English
aþreotan
(cognate)
→
German Low German
âdräötig
(inherited)
→
Old Saxon
athriotan
(prefix)