Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
reo
←
Italian
rio
(doublet)
←
Latin
reus
(borrowed)
→
Italian
rio
(doublet)
→
Italian
reoforo
(confix)
→
Italian
reologia
(confix)
→
Italian
reostatico
(confix)
→
Italian
reografo
(confix)
→
Italian
reometro
(confix)
→
Italian
reostato
(confix)
→
Italian
reologo
(confix)
→
Italian
reoencefalografia
(prefix)
→
Italian
reoencefalografo
(prefix)
→
Italian
reoencefalogramma
(prefix)
→
Italian
reoscopio
(confix)
→
Italian
reotropismo
(confix)
→
Italian
reopectico
(prefix)
→
Italian
Reo
(mention)