Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*ɸlitawī
→
Welsh
Llydaw
(inherited)
→
Sanskrit
पृथ्वी
(cognate)
→
Sanskrit
पृथिवी
(cognate)