Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
freagair
←
Proto-Indo-European
*ǵeh₂r-
(root)
←
Old Irish
·frecair
(inherited)
←
Old Irish
fris·gair
(mention)
←
Old Irish
fri
(mention)
←
Old Irish
gairid
(mention)
→
Irish
freagrach
(affix)
→
Irish
freagracht
(affix)
→
Manx
freggyr
(cognate)