Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
ὁμοῦ
←
Ancient Greek
ὁμός
(mention)
←
Proto-Indo-European
*sem-
(root)
→
Ancient Greek
ὅμηρος
(mention)
→
Russian
су-
(cognate)