Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
cruaidh
←
Proto-Celtic
*kroudis
(inherited)
←
Proto-Indo-European
*krewh₂-
(inherited)
←
Old Irish
crúaid
(inherited)
→
Scottish Gaelic
cruas
(mention)
→
Scottish Gaelic
cruadhtan
(mention)
→
Scottish Gaelic
bathar-cruaidh
(affix)