Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
tykky
←
Proto-Germanic
*þekuz
(derived)
←
Karelian
tykky
(cognate)
←
Old Norse
þykkr
(cognate)
→
Finnish
tykkylumi
(compound)