Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
gjenge
←
Proto-Indo-European
*ǵʰengʰ-
(root)
←
Norwegian Nynorsk
gjenga
(link)
←
Norwegian Nynorsk
gjengi
(link)
←
Old Norse
gengi
(inherited)