Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
scoilt
←
Proto-Celtic
*skoltā
(derived)
←
Proto-Celtic
*kallī
(cognate)
←
Irish
scáineadh
(link)
←
Irish
scoilteán
(link)
←
Irish
scáin
(link)
←
Irish
abairt scoilte
(link)
←
Proto-Indo-European
*(s)kelH-
(root)
←
Proto-Indo-European
*(s)kelH-
(derived)
←
Old Irish
scoilt
(inherited)
←
Old Irish
scoiltid
(inherited)
→
Irish
scoilteán
(affix)
→
Irish
scoilteog
(affix)