Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English siex
German sechs (cognate)
Middle Dutch sesse (cognate)
Irish (cognate)
Proto-West Germanic *sehs (inherited)
Old High German sehs (cognate)
Gothic 𐍃𐌰𐌹𐌷𐍃 (cognate)
Ancient Greek ἕξ (cognate)
Proto-Indo-European *swéḱs (inherited)
Latin sex (cognate)
Dutch zes (cognate)
Old Norse sex (cognate)
Old Frisian sex (cognate)
Old Saxon sehs (cognate)
Russian шесть (cognate)
Old Irish se (cognate)
Proto-Slavic *šestь (cognate)
Swedish sex (cognate)

English six (mention)
Avestan 𐬑𐬴𐬎𐬎𐬀𐬱 (cognate)
Old English syxta (mention)
Old English sixfeald (suffix)
Middle English six (inherited)
Middle English sex (mention)
Spanish seis (cognate)
Old High German sehs (cognate)
Ancient Greek ἕξ (cognate)
Latin sex (cognate)
Old Norse sex (cognate)
Sanskrit षष् (cognate)
Yola zeese (inherited)