Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
gram
←
Proto-Germanic
*gramaz
(inherited)
→
English
grum
(mention)
→
Old English
grama
(cognate)
→
Old English
grambære
(suffix)