Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
flói
←
Proto-Germanic
*flōduz
(inherited)
←
Old Norse
flōi
(inherited)
→
English
flow
(cognate)
→
Icelandic
flóastör
(affix)
→
Icelandic
flóajurt
(affix)