Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
un
←
Proto-Indo-European
*óynos
(inherited)
←
Old Latin
oinos
(inherited)
←
Proto-Italic
*oinos
(inherited)
←
Latin
ūnus
(inherited)
→
Romanian
o
(link)
→
Romanian
uni
(mention)
→
Romanian
unsprezece
(mention)
→
Romanian
într-un
(compound)
→
Romanian
dintr-un
(compound)
→
Romanian
printr-un
(compound)
→
Romanian
unul
(mention)
→
Romanian
împreună
(mention)
→
Romanian
niciun
(compound)
→
Istro-Romanian
ur
(cognate)
→
Aromanian
un
(cognate)