Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
elja
←
Proto-Germanic
*aljô
(inherited)
←
Proto-Germanic
*aljǭ
(mention)
←
Middle Low German
elle
(cognate)
←
Proto-Indo-European
*al-
(derived)
→
Icelandic
elja
(inherited)