Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*kʷeh₂-kʷo-
→
Welsh
pob
(inherited)
→
Manx
dagh
(inherited)
→
Cornish
pob
(inherited)
→
Lithuanian
koks
(inherited)
→
Middle Welsh
cách
(inherited(wlm/sga))
→
Middle Welsh
pawb
(inherited)