Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
pisar
←
Galician
piso
(link)
←
Galician
pisón
(link)
←
Galician
piso
(mention)
←
Galician
pisar
(mention)
←
Latin
pinsāre
(inherited)
←
Latin
pinsō
(mention)
←
Old Portuguese
pisar
(inherited)
→
Galician
pisar
(mention)
→
Galician
piso
(back-formation)
→
Galician
pisón
(suffix)