Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
faoileag
←
Irish
faoileog
(cognate)
←
Scottish Gaelic
-ag
(affix)
←
Manx
foilleig
(cognate)
←
Manx
fooilleig
(mention)
←
Middle Irish
*faíleóc
(inherited)
←
Middle Irish
faílenn
(mention)
→
Irish
faoileog
(cognate)