Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
æfest
←
Old English
æfestful
(link)
←
Old English
æfestegian
(link)
←
Old English
æfestiġ
(link)
←
Old English
æfestnes
(link)
←
Old English
ǣ
(suffix)
←
Old English
fæst
(suffix)
←
Proto-Germanic
*abundiz
(inherited)
←
Proto-West Germanic
*abunsti
(inherited)
←
Old Norse
ǫfund
(cognate)
→
Old English
æfestig
(suffix)