Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
clabhchorda
←
German
Klavichord
(derived)
←
Latin
clāvīchordium
(derived)
←
Latin
clāvis
(mention)
←
Latin
chorda
(mention)