Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
samen
←
Proto-Germanic
*saman
(inherited)
←
Proto-Germanic
*samanai
(mention)
→
English
common
(cognate)
→
English
same
(derived)
→
English
sam
(derived)
→
Old English
sam-
(cognate)
→
Old English
ætsamne
(affix)
→
Scots
samin
(inherited)