Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
fjølde
←
Proto-Indo-European
*pelh₁-
(root)
←
Icelandic
fjöldi
(cognate)
←
Old Norse
fjǫldi
(inherited)
→
Icelandic
fjöldi
(cognate)