Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
síocháin
←
Irish
caoin
(mention)
←
Middle Irish
síthcháin
(inherited)
←
Middle Irish
síth
(mention)
←
Middle Irish
caín
(mention)
←
Old Irish
síd
(mention)