Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
retheness
←
Old English
rēþnes
(inherited)
←
English
rethe
(suffix)
←
English
ness
(suffix)
←
Middle English
rethnes
(inherited)
←
Scots
rethnas
(cognate)