Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Primitive Irish
ᚅᚔᚑᚈᚈᚐ
←
Old English
nefa
(cognate)
←
Proto-Celtic
*neɸūss
(inherited)
←
Ancient Greek
ἀνεψιός
(cognate)
←
Proto-Indo-European
*népōts
(inherited)
←
Old Persian
𐎴𐎱𐎠
(cognate)
←
Sanskrit
नपात्
(cognate)
→
Irish
nia
(inherited)
→
Old Irish
nia
(inherited)