Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
forum
←
English
fuero
(doublet)
←
Proto-Indo-European
*dʰwer-
(root)
←
Latin
forum
(derived)
→
English
-um
(link)
→
English
forumite
(suffix)
→
English
fuero
(doublet)
→
English
forumer
(suffix)
→
English
subforum
(prefix)
→
English
cyberforum
(prefix)
→
English
e-forum
(prefix)
→
English
foruming
(suffix)
→
English
teleforum
(prefix)
→
French
forum
(borrowed)
→
Korean
포럼
(mention)
→
Dutch
forum
(derived)
→
Polish
trybuna
(link)