Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
ridere
←
Old English
rīdan
(suffix)
←
Old English
ere
(suffix)
←
German
Reiter
(cognate)
←
Old Norse
riddari
(cognate)
→
Irish
ridire
(derived)
→
Scottish Gaelic
ridire
(derived)