Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
niart
←
Proto-Celtic
*nertom
(inherited)
←
Proto-Indo-European
*h₂ner-to-
(inherited)
←
Proto-Indo-European
*h₂nḗr
(mention)
←
Old Irish
nert
(inherited)
→
Manx
co-niartee
(confix)