Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
eorþæppel
←
Old English
eorþe
(compound)
←
Old English
æppel
(compound)
←
Proto-West Germanic
*erþapplu
(inherited)
→
Dutch
aardappel
(cognate)