Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
flagg
←
Old Norse
flaka
(inherited)
←
Old Norse
flaga
(cognate)
→
Icelandic
flaggskip
(affix)
→
Icelandic
flaggdúkur
(affix)
→
Dutch
vlag
(cognate)