Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
frato
←
Proto-Indo-European
*bʰréh₂tēr
(derived)
←
Latin
frater
(borrowed)
→
Esperanto
gefrato
(affix)
→
Esperanto
fratino
(affix)
→
Esperanto
bofratino
(affix)
→
Esperanto
bofrato
(prefix)
→
Esperanto
frateco
(affix)
→
Esperanto
duonfrato
(affix)
→
Esperanto
frateto
(suffix)
→
Esperanto
fratiĉo
(affix)
→
Esperanto
fraĉjo
(suffix)
→
Ido
frato
(derived)