Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*gamur
→
Scottish Gaelic
geamhradh
(inherited)
→
Scottish Gaelic
foghar
(mention)
→
Manx
geurey
(inherited)
→
Manx
fouyr
(mention)
→
Old Irish
gaimred
(inherited)