Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
reòth
←
Scottish Gaelic
reòdh
(mention)
←
Old Irish
reódaid
(inherited)
←
Old Irish
réud
(mention)
→
Scottish Gaelic
reòthadh
(affix)