Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Gallo
laungg
←
Old French
langue
(derived)
←
Proto-Indo-European
*dn̥ǵʰwéh₂s
(derived)
←
Latin
lingua
(derived)