Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
mayo
←
Latin
Māius
(inherited)
←
Latin
Māia
(mention)
→
Galician
maio
(inherited)
→
Portuguese
maio
(inherited)
→
Tetum
maiu
(derived)