Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
samod-
←
Old English
samod
(mention)
←
Proto-Germanic
*samaþa
(inherited)
←
Old High German
samit
(cognate)
→
Old English
samodwist
(affix)
→
Old English
samodwunung
(affix)
→
Old English
samodwyrcende
(affix)
→
Old English
samodeard
(affix)