Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
perjă
←
German
Pfirsich
(cognate)
←
Transylvanian Saxon
Piërsch
(borrowed)
←
Latin
persica
(derived)
←
Romanian
piersică
(doublet)
→
Romanian
piersică
(doublet)
→
Romanian
perj
(back-formation)
→
Romanian
Perja
(mention)
→
Romanian
Perjă
(mention)