Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
co-fhlaitheas
←
Irish
comhlathas
(cognate)
←
Scottish Gaelic
co-
(affix)
←
Scottish Gaelic
flaitheas
(affix)
→
Irish
comhlathas
(cognate)