Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
bwrw
←
Proto-Celtic
*borgeyeti
(derived)
←
Old Irish
dobidci
(cognate)
→
English
pour
(cognate)
→
Welsh
bwriad
(affix)
→
Old Irish
dobidci
(cognate)