Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
Yernagh
←
Manx
-agh
(affix)
←
Old Irish
Érennach
(inherited)
←
Old Irish
Ériu
(mention)
→
Manx
Yernish
(mention)
→
Manx
Yernaghys
(suffix)
→
Manx
Anglo-Yernagh
(affix)