Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
seco
←
Proto-Indo-European
*seyk-
(derived)
←
Latin
siccus
(inherited)
←
Old Portuguese
seco
(inherited)
→
Esperanto
seka
(mention)
→
Kabuverdianu
seku
(derived)
→
Papiamentu
seku
(derived)
→
Guinea-Bissau Creole
seku
(derived)
→
Portuguese
a seco
(mention)
→
Portuguese
secura
(affix)
→
Portuguese
secamente
(suffix)
→
Portuguese
sequioso
(suffix)
→
Portuguese
ama-seca
(mention)