Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
katus
←
Estonian
katma
(suffix)
←
Estonian
us
(suffix)
←
Finnish
katto
(cognate)
←
Veps
katuz
(cognate)
→
Finnish
katto
(cognate)
→
Ingrian
katto
(cognate)