Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
amhas
←
Proto-Celtic
*ambaxtos
(inherited)
←
Proto-Indo-European
*h₂m̥bʰi-
(derived)
←
Proto-Indo-European
*h₂eǵ-
(mention)
←
Old Irish
amos
(inherited)
→
Irish
amhsán
(affix)
→
Irish
amhsach
(affix)
→
Irish
amhasmhar
(affix)
→
Irish
amhasóir
(affix)
→
Irish
amhsóir
(affix)