Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
algeo
←
Proto-Indo-European
*h₂elgʰ-
(derived)
←
Icelandic
elgur
(mention)
→
Old Armenian
աղկաղկ
(mention)