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

→ English dream (mention)
→ English soporific (mention)
→ English hypno- (root)
→ English hypnotic (root)
→ English somnolent (root)
→ English somnolent (mention)
→ English hypnosis (root)
→ English hypnotism (root)
→ English hypnotist (root)
→ English hypnotize (root)
→ English sopor (root)
→ English somnolence (root)
→ English hypnotizable (root)
→ English hypnotizability (root)
→ English somnambulation (root)
→ English sweven (derived)
→ English sweb (root)
→ English sweb (derived)
→ Old English swefn (root)
→ Old English swefan (root)
→ Assamese সপোন (root)
→ Assamese সপোন (derived)
→ Assamese সপান (root)
→ Assamese সপান (derived)
→ Assamese শো (mention)
→ Belarusian сон (root)
→ Belarusian спаць (root)
→ Belarusian спаць (derived)
→ Bulgarian сън (root)
→ Bulgarian спя (root)
→ Bulgarian спя (inherited)
→ Czech sen (root)
→ Czech spát (root)
→ Czech spát (inherited)
→ Czech usnout (root)
→ Czech usnout (derived)
→ Old Church Slavonic сънъ (root)
→ Old Church Slavonic съпати (root)
→ Old Church Slavonic съпати (derived)
→ Danish sove (root)
→ Danish sove (inherited)
→ Danish søvn (root)
→ Lower Sorbian spaś (root)
→ Lower Sorbian spaś (derived)
→ Lower Sorbian spański (derived)
→ Greek ύπνος (root)
→ Greek ύπνος (mention)
→ Spanish sueño (root)
→ Spanish sueño (root)
→ Spanish hipnótico (root)
→ Spanish soporífero (root)
→ Spanish soporífero (derived)
→ Spanish soporífico (root)
→ Spanish soporífico (mention)
→ Persian خواب (root)
→ Persian خواب (derived)
→ Faroese sova (derived)
→ Faroese sova (root)