Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
synkeä
←
Proto-Finnic
*sünkedä
(inherited)
←
Karelian
synkie
(cognate)
←
Lithuanian
sunkùs
(cognate)
→
Finnish
synkkä
(mention)
→
Finnish
synkeys
(suffix)