Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
tjúga
←
Proto-Germanic
*teuhaną
(derived)
←
Proto-Indo-European
*dewk-
(root)
←
Old Norse
toginn
(mention)
→
Old Norse
tjúgari
(suffix)