Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
referendum
←
Latin
referendus
(derived)
←
Latin
refero
(mention)
→
English
-um
(link)
→
English
antireferendum
(prefix)
→
English
neverendum
(blend)
→
English
preferendum
(blend)
→
English
Indyref
(mention)
→
English
Indyref2
(mention)
→
German
Referendum
(cognate)
→
Japanese
レファレンダム
(borrowed)
→
Tagalog
reperendum
(borrowed)