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