Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
ceist
←
Latin
quaestiō
(derived)
←
Old Irish
ceist
(inherited)
→
Scottish Gaelic
aincheist
(affix)