Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Germanic *ainaz

→ English one (inherited)
→ English eleven (mention)
→ English any (inherited)
→ Afrikaans een (inherited)
→ Old English ænig (mention)
→ Old English endleofan (mention)
→ Old English enig (derived)
→ Cimbrian an (inherited)
→ Cimbrian ummaz (inherited)
→ Cimbrian òan (inherited)
→ Danish en (inherited)
→ Danish elleve (mention)
→ German elf (mention)
→ German eins (derived)
→ Middle Dutch een (inherited)
→ Finnish ainoa (mention)
→ Faroese ein (inherited)
→ Faroese ellivu (mention)
→ North Frisian ån (inherited)
→ North Frisian jaan (inherited)
→ West Frisian alve (mention)
→ Westrobothnian ajn (inherited)
→ Gutnish ajn (inherited)
→ Old Swedish en (inherited)
→ Jersey Dutch en (inherited)
→ Old High German einlif (mention)
→ Gothic 𐌰𐌹𐌽𐍃 (inherited)
→ Alemannic German en (inherited)
→ Alemannic German ain (inherited)
→ Hunsrik een (inherited)
→ Icelandic einn (inherited)
→ Icelandic ellefu (mention)
→ Ingrian ainava (derived)
→ Luxembourgish en (inherited)
→ Luxembourgish eent (inherited)
→ Mòcheno a (inherited)
→ Mòcheno oa's (derived)
→ Norwegian Bokmål en (inherited)
→ Norwegian Bokmål a (inherited)
→ Norwegian Bokmål elleve (mention)
→ Dutch een (inherited)
→ Dutch elf (mention)
→ Dutch nee (mention)