Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
dyngja
←
Proto-Indo-European
*dʰengʰ-
(root)
←
Old Norse
dyngja
(derived)
→
English
dungeon
(mention)
→
Old High German
tung
(cognate)