Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
deisceabal
←
Scottish Gaelic
deisciobal
(cognate)
←
Latin
discipulus
(derived)
←
Old Irish
deiscipul
(inherited)
→
Scottish Gaelic
deisciobal
(cognate)