Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
tecla
←
Latin
thēca
(derived)
←
Latin
tēgula
(derived)
→
Portuguese
teclado
(suffix)
→
Portuguese
teclar
(mention)