Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
somero
←
Estonian
sõmer
(cognate)
←
Proto-Finnic
*somera
(derived)
←
Karelian
somero
(cognate)
←
Livonian
sumār
(cognate)
←
Inari Sami
čuomar
(cognate)
←
Votic
sõmõra
(cognate)
→
Finnish
somerikko
(suffix)
→
Finnish
Somerkoski
(compound)
→
Finnish
Somero
(mention)
→
Finnish
somersara
(affix)