Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
skjall
←
Proto-Germanic
*skal-
(cognate)
←
Proto-Indo-European
*(s)kelH-
(derived)
←
Proto-Indo-European
*ḱel-
(mention)
←
Icelandic
skjalla
(mention)
←
Old Norse
skjall
(derived)