Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
gait
←
Proto-Celtic
*gozdis
(derived)
←
Proto-Celtic
*gostis
(mention)
←
Proto-Indo-European
*gʰóstis
(derived)
←
Old Irish
got
(mention)
→
Irish
gadaí
(mention)
→
Old Irish
gataid
(mention)