Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
rā
→
English
roe
(inherited)
→
English
Raleigh
(derived)
→
English
Royal
(mention)
→
Middle English
ra
(inherited)
→
Middle English
roo
(inherited)
→
Middle English
ro
(inherited)