Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
viekas
←
Proto-Finnic
*veek'as
(inherited)
←
Ingrian
veekaz
(cognate)
←
Karelian
viekas
(cognate)
←
Votic
veekaz
(cognate)
→
Finnish
viekkaasti
(suffix)
→
Finnish
viekkaus
(suffix)
→
Finnish
viekastella
(affix)