Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Ancient Greek ἔχις
Avestan 𐬀𐬲𐬌 (cognate)
Ancient Greek ὄφις (mention)
Proto-Indo-European *h₁égʰi- (derived)
Proto-Indo-European *h₁ógʷʰi- (cognate)
Proto-Indo-European *h₁égʷʰi- (mention)
Sanskrit अहि (cognate)
Old Armenian իժ (cognate)

English echidna (mention)
German Egel (cognate)
Ancient Greek ἔγχελυς (mention)
Ancient Greek ἔχιδνα (mention)
Ancient Greek ἔχιον (affix)
Latin anguilla (mention)
Latin echitis (mention)
Latvian odze (cognate)
Translingual Echiura (derived)