Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *h₁ers-

→ English aberr (root)
→ English aberrate (root)
→ English aberration (root)
→ English error (root)
→ English err (root)
→ English err (derived)
→ English erratic (root)
→ Esperanto aberacio (root)
→ Ancient Greek οὐρά (derived)
→ Ancient Greek ἄψορρος (mention)
→ Hittite 𒅈𒀸𒍣 (mention)
→ Ido erorar (derived)
→ Latin error (root)
→ Latin erro (root)
→ Latin erro (derived)
→ Latin aberro (root)
→ Latin oberro (root)
→ Latin aderro (root)
→ Latin circumerro (root)
→ Latin erroneus (root)
→ Latin erraticus (root)
→ Latin errabundus (root)
→ Latin pererro (root)
→ Norwegian Bokmål aberrant (root)
→ Norwegian Bokmål aberrant (derived)
→ Norwegian Bokmål aberrasjon (root)
→ Norwegian Bokmål aberrasjon (derived)
→ Sanskrit ईर्ष्यति (inherited)
→ Sanskrit इरस्यति (derived)
→ Swedish irra (derived)