Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
gwrm
←
Proto-Brythonic
*gurm
(inherited)
←
Proto-Celtic
*gurmos
(inherited)
←
Cornish
gorm
(cognate)
→
Irish
gorm
(cognate)
→
Scottish Gaelic
gorm
(cognate)
→
Manx
gorrym
(cognate)
→
Cornish
gorm
(cognate)
→
Albanian
rimtë
(cognate)