Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
befæstnian
←
Old English
be-
(affix)
←
Old English
fæstnian
(affix)
←
Old Frisian
bifestna
(cognate)