Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
-mp
←
Estonian
-m
(cognate)
←
Finnish
-mpi
(cognate)
←
Proto-Finnic
*-mpa
(inherited)
→
Ingrian
vanhemp
(suffix)
→
Ingrian
suuremp
(suffix)
→
Ingrian
enemp
(suffix)