Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
mosach
←
Proto-Celtic
*mussāko-
(derived)
←
Proto-Indo-European
*meh₂d-
(derived)
←
Old Irish
mosach
(derived)
→
Ancient Greek
μύσος
(cognate)