Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
klöpp
←
Proto-Germanic
*klapp-
(inherited)
←
Proto-Germanic
*klumpô
(mention)
←
Middle High German
klapf
(cognate)
←
Proto-Indo-European
*gel
(inherited)
←
Icelandic
klapp
(mention)
←
Old Norse
klǫpp
(inherited)