Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
þicnes
←
Old English
þicce
(suffix)
←
Old English
nes
(suffix)
←
Old High German
diknissa
(cognate)
→
English
thickness
(inherited)