Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
seitse
←
Proto-Finnic
*säic'en
(inherited)
→
Estonian
seitseteist
(compound)
→
Finnish
seitsemän
(cognate)
→
Finnish
seitsen
(cognate)
→
Ingrian
seitsen
(cognate)
→
Karelian
seiččemen
(cognate)