Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
seasamh
←
Old Irish
sessam
(inherited)
→
Irish
seas
(mention)
→
Irish
seas
(mention)
→
Irish
comhsheasmhacht
(affix)
→
Irish
seasmhacht
(affix)
→
Irish
buanseasamh
(affix)