Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
ràmh
←
Proto-Celtic
*rāmo-s
(inherited)
←
Welsh
rhaw
(cognate)
←
Old Irish
[[ráma]], [[rám]]
(inherited)