Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
piatza
←
English
piaies
(link)
←
Proto-Indo-European
*pleth₂-
(root)
←
Italian
piazza
(derived)
←
Italian
piazza
(link)
→
English
plaza
(doublet)
→
English
place
(doublet)
→
English
piazza
(doublet)