Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
dorrys
←
Proto-Celtic
*dworestus
(inherited)
←
Welsh
drws
(cognate)
←
Irish
doras
(cognate)
←
Proto-Indo-European
*dʰwer-
(root)
←
Proto-Indo-European
*dʰwer-
(inherited)
←
Old Irish
dorus
(inherited)
→
Manx
fo-ghorrys
(prefix)