Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Prussian
irmo
←
Proto-Balto-Slavic
*írʔmo-
(inherited)
←
Proto-Indo-European
*h₂r̥-mó-s
(inherited)
←
Proto-Indo-European
*h₂er-mó-s
(mention)
←
Proto-Indo-European
*h₂er-
(mention)
→
Ancient Greek
ἁρμός
(cognate)