Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
síor-
←
Irish
síor
(mention)
←
Scottish Gaelic
sìor-
(cognate)
←
Manx
sheer-
(cognate)
←
Old Irish
sír
(derived)
→
Irish
síorghlas
(affix)
→
Irish
síoraí
(mention)
→
Manx
sheer-
(cognate)