Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cailleach
←
Latin
pallium
(derived)
←
Old Irish
caillech
(inherited)
←
Old Irish
caille
(mention)
←
Old Irish
-ach
(mention)