Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English tectum
English tect (doublet)
Ancient Greek τέγος (mention)
Proto-Indo-European *(s)teg- (cover) (root)
Latin tēctum (mention)
Latin tegō (mention)

English tectal (suffix)
English pretectum (prefix)
English tect (doublet)