Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
miga
←
Spanish
miga
(cognate)
←
Galician
mica
(doublet)
←
Proto-Indo-European
*smeyg-
(derived)
←
Proto-Italic
*smīkā
(inherited)
←
Latin
mīca
(inherited)
←
Portuguese
miga
(cognate)
→
Galician
migalla
(suffix)
→
Galician
migar
(mention)