Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
monaþblod
←
Old English
mōnaþ
(compound)
←
Old English
blōd
(compound)
←
Old High German
mānōdblōti
(cognate)