Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
thunkian
←
Proto-Germanic
*þunkijaną
(inherited)
→
Old English
þyncan
(cognate)
→
Low German
dünken
(inherited)