Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *(s)teg- (cover)

→ English steganography (root)
→ English tile (root)
→ English integument (root)
→ English toga (root)
→ English detect (root)
→ English toque (root)
→ English tectum (root)
→ English tegula (root)
→ English tegument (root)
→ English tegmen (root)