Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
amharas
←
Irish
amhras
(cognate)
←
Manx
ourys
(cognate)
←
Old Irish
amaires
(inherited)
→
Scottish Gaelic
amharasach
(affix)