Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
ullus
←
Proto-Indo-European
*óynos
(derived)
←
Proto-Italic
*oinolos
(inherited)
←
Proto-Italic
*oinos
(derived)
←
Latin
ūnus
(cognate)