Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
Fáelán
←
Old Irish
fáel
(affix)
←
Old Irish
-án
(affix)
→
Icelandic
feilan
(cognate)
→
Icelandic
Feilan
(cognate)
→
Old Norse
feilan
(link)