Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
hjälpa
←
Proto-Germanic
*helpaną
(inherited)
←
Old Swedish
hiælpa
(inherited)
←
Proto-Indo-European
*ḱelb-
(derived)
←
Proto-Indo-European
*ḱelp-
(mention)
←
Old Norse
hjalpa
(inherited)
→
Danish
hjælpe
(cognate)
→
Finnish
kelvata
(cognate)
→
Finnish
jelpata
(derived)
→
Low German
hölpen
(cognate)
→
Swedish
medhjälpare
(affix)