Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek αἰθήρ
Ancient Greek αἴθω (mention)

English ether (derived)
English ethanol (mention)
English Ether (derived)
English hypaethral (mention)
English hupaithric (mention)
English aethrioscope (mention)
English eth- (borrowed)
English Aether (derived)
Catalan èter (derived)
Danish æter (derived)
Greek αιθέρας (inherited)
Greek αιθήρ (inherited)
Etruscan 𐌀𐌉𐌈𐌕𐌓𐌀 (derived)
French éther (mention)
Irish aodh (cognate)
Ancient Greek σπινθήρ (mention)
Italian etra (mention)
Italian etere (derived)
Kazakh эфир (derived)
Latin aether (derived)
Latin aethra (derived)
Norwegian Bokmål eter (derived)
Dutch ether (derived)
Norwegian Nynorsk eter (derived)
Polish eter (derived)
Portuguese éter (derived)
Russian эфир (borrowed)
Swedish eter (derived)
Ukrainian ефір (borrowed)
Old Armenian եթեր (borrowed)
Ancient Macedonian ἀδῆ (cognate)