Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
extra
→
Catalan
extraviar
(affix)
→
Spanish
extraordinario
(prefix)
→
Spanish
extraviar
(affix)
→
Spanish
extrauniversitario
(prefix)
→
Spanish
extrapolar
(prefix)
→
Spanish
extramatrimonial
(prefix)
→
Spanish
extracelular
(prefix)
→
Spanish
extrasistólico
(confix)
→
Spanish
extratelevisivo
(prefix)
→
Spanish
extrasístole
(prefix)