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 ὕπνος
← Proto-Hellenic *húpnos (inherited)
← Proto-Indo-European *swep- (root)
← Proto-Indo-European *supnós (inherited)
← Proto-Indo-European *swep- (suffix)
← Proto-Indo-European *nós (suffix)
← Sanskrit स्वप्न (cognate)

→ English dream (cognate)
→ English hypno- (derived)
→ English hypnotic (mention)
→ English hypnagogic (mention)
→ English sweven (cognate)
→ Old English swefn (cognate)
→ Assamese সপোন (cognate)
→ Assamese সপান (cognate)
→ Danish søvn (cognate)
→ Greek ύπνος (inherited)
→ Greek ξυπνάω (mention)
→ Persian خواب (cognate)
→ Persian خفتن (cognate)
→ Ancient Greek ἀφυπνίζω (affix)
→ Ancient Greek εὕδω (mention)
→ Ancient Greek ὕπαρ (mention)
→ Ancient Greek ἄγρυπνος (affix)
→ Ancient Greek ἐνύπνιος (suffix)
→ Hindi सपना (cognate)
→ Hungarian hipnotikus (mention)
→ Italian ipnosi (mention)
→ Italian ipno- (mention)
→ Old Norse svefn (cognate)
→ Portuguese hipnose (mention)
→ Sanskrit स्वप्न (cognate)
→ Albanian gjumë (cognate)
→ Urdu سپنا (cognate)