Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Galician manter
Latin manū (inherited)
Latin teneō (mention)
Old Portuguese manteer (inherited)
Old Portuguese mantẽer (mention)

Galician mantido (link)
Galician termar (mention)
Galician mantenza (suffix)
Galician mantemento (suffix)