Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latin -crum
← Proto-Indo-European *-trom (inherited)
← Proto-Italic *-krom (inherited)
← Proto-Italic *-trom (mention)

→ Latin fulcrum (affix)
→ Latin sepulcrum (affix)
→ Latin culter (mention)
→ Latin -culum (alter)
→ Latin lavacrum (affix)
→ Latin molucrum (affix)