Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Czech tvrdý
← Proto-Slavic *tvьrdъ (inherited)

→ English quartz (cognate)
→ Czech tvrdit (affix)
→ Czech tvrdohlavý (affix)
→ Czech tvrdost (suffix)
→ Czech tvrz (mention)
→ Czech tvrdnout (affix)
→ Danish kvarts (cognate)
→ German Quarz (cognate)