Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
ele
←
Proto-West Germanic
*oli
(inherited)
←
Latin
oleum
(derived)
→
English
oil
(cognate)
→
Old English
eleberge
(compound)
→
Old English
elebeam
(compound)
→
Saterland Frisian
Oulje
(cognate)