Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
begang
←
Old English
be-
(affix)
←
Old English
gang
(affix)
←
Proto-Germanic
*bigangaz
(inherited)
←
Old High German
bigang
(cognate)
←
Old Frisian
bigangnisse
(cognate)
←
Old Frisian
bigongnisse
(mention)
→
Old English
begong
(mention)