Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aineolach
←
Irish
an-
(affix)
←
Irish
eolach
(affix)
←
Manx
anoayllagh
(cognate)
←
Old Irish
aineólach
(inherited)
←
Old Irish
éolach
(mention)