Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
rìbhinn
←
Proto-Celtic
*rīganī
(inherited)
←
Irish
ríon
(cognate)
←
Old Irish
rígan
(inherited)
→
Manx
rein
(mention)