Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *h₁er-

→ English earth (root)
→ English earth (derived)
→ English earthquake (root)
→ English earthnut (root)
→ English Earthling (root)
→ English Earthling (derived)
→ English Earth (root)
→ English Earth (derived)
→ English earthling (root)
→ English earthling (inherited)
→ Danish jord (derived)
→ Faroese jørð (derived)
→ Westrobothnian jol (derived)
→ Ancient Greek ἔριφος (derived)
→ Ancient Greek ἔραζε (derived)
→ Latin irritus (inherited)
→ Latvian art (mention)
→ Latvian arkls (mention)
→ Norwegian Bokmål jord (derived)
→ Norwegian Nynorsk jord (derived)
→ Sanskrit अर्ध (mention)
→ Old Irish reithe (mention)
→ Albanian varr (derived)
→ Swedish jord (derived)
→ Tocharian B āre (derived)