Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*kreddīti
→
Welsh
credu
(inherited)
→
Irish
creid
(inherited)
→
Scottish Gaelic
creid
(inherited)
→
Manx
creid
(inherited)
→
Old Irish
creideamh
(inherited(sga/ga))
→
Old Irish
creitid
(inherited)