Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
air
←
English
plough
(link)
←
Old Irish
airid
(inherited)
→
Irish
airsean
(affix)
→
Scottish Gaelic
air
(cognate)