Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
allaidh
←
Old Irish
allaid
(inherited)
→
Irish
allta
(cognate)
→
Scottish Gaelic
tarbh-allaidh
(compound)