Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
còmhnaidh
→
Irish
cónaí
(cognate)
→
Scottish Gaelic
bothan-còmhnaidh
(compound)
→
Scottish Gaelic
neach-còmhnaidh
(affix)