Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
saasta
←
Estonian
saast
(cognate)
←
Finnish
saastua
(mention)
←
Proto-Finnic
*saasta
(inherited)
←
Karelian
soastua
(cognate)
←
Livonian
sastā
(cognate)
→
Finnish
saastainen
(suffix)
→
Finnish
saaste
(suffix)
→
Finnish
saastua
(suffix)
→
Finnish
saastata
(suffix)
→
Finnish
saastaton
(affix)