Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Inari Sami
ijjâ
←
Proto-Samic
*ijë
(inherited)
→
Estonian
öö
(cognate)
→
Finnish
yö
(cognate)