Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*mā-
→
Latin
Mosa
(derived)
→
Latgalian
muosa
(derived)
→
Latvian
māsa
(mention)