Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
balbhan
←
Irish
balbhán
(cognate)
←
Scottish Gaelic
balbh
(affix)
←
Scottish Gaelic
-an
(affix)
←
Middle Irish
*balbán
(inherited)
→
Irish
balbhán
(cognate)