Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*wolis
→
English
gossan
(cognate)
→
Irish
fuil
(inherited)
→
Scottish Gaelic
fuil
(inherited)
→
Middle Irish
fuil
(inherited)
→
Old Irish
fuil
(inherited)