Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
sparian
←
Proto-Germanic
*sparōną
(inherited)
←
Old High German
sparōn
(cognate)
←
Old Norse
spara
(cognate)
→
English
spare
(derived)