Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
gaso
←
German
Gas
(cognate)
←
English
gas
(cognate)
←
Spanish
gas
(cognate)
←
Italian
gas
(cognate)
→
Esperanto
tergaso
(compound)
→
Esperanto
gasumi
(suffix)
→
Esperanto
gasmasko
(compound)
→
Esperanto
gasodukto
(compound)
→
Ido
gaso
(derived)