Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
ette
←
Proto-Celtic
*ɸettiyā
(inherited)
←
Proto-Celtic
*ɸeteti
(mention)
←
Proto-Indo-European
*peth₂-
(root)
←
Proto-Indo-European
*peth₂-
(derived)
→
Welsh
adar
(cognate)
→
Welsh
adain
(cognate)
→
Irish
eite
(inherited)
→
Irish
eiteach
(mention)
→
Scottish Gaelic
ite
(inherited)
→
Manx
fedjag
(mention)