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 ῥέω
Old Church Slavonic строуꙗ (cognate)
Proto-Hellenic *hréyyō (inherited)
Proto-Indo-European (inherited)
Proto-Indo-European *srew- (mention)
Sanskrit स्रवति (cognate)

English rhythm (mention)
English rheology (borrowed)
English logorrhea (mention)
English diarrhea (mention)
English rheumatism (mention)
English rhyolite (derived)
English catarrh (mention)
English rheumatic (mention)
English hemorrhoid (mention)
English endorheic (derived)
English exorheic (mention)
English galactorrhea (mention)
English rheo- (mention)
English arheic (derived)
Bulgarian ритон (cognate)
Danish strøm (cognate)
Greek ρεύμα (mention)
Greek χείμαρρος (mention)
Greek ρέω (inherited)
Esperanto ritmo (mention)
Spanish ritmo (mention)
Spanish diarrea (mention)
Spanish catarro (mention)
Spanish almorrana (mention)
Galician ritmo (mention)
Galician reuma (mention)
Ancient Greek ῥύσις (affix)
Ancient Greek Ἠριδανός (mention)
Ancient Greek Ῥέα (mention)
Ancient Greek ῥυθμός (mention)
Ancient Greek ῥοία (affix)
Ancient Greek ῥεῦμα (mention)
Ancient Greek καταρρέω (affix)
Ancient Greek ἐκρέω (mention)
Ancient Greek διαρρέω (affix)
Ancient Greek -έω (mention)
Ancient Greek ἰχθυόρροος (mention)
Ancient Greek ῥοή (affix)
Ancient Greek χειμάρρους (mention)
Ancient Greek συρρέω (affix)
Ancient Greek ῥεῖθρον (mention)
Ancient Greek ῥόα (mention)
Ancient Greek ὠκύροος (affix)
Ancient Greek ῥεῦσις (affix)
Ancient Greek ῥοιάς (mention)
Ancient Greek ῥοῦς (mention)
Ancient Greek ῥέθος (mention)
Indonesian gonore (mention)
Ido ritmo (mention)
Italian ritmo (mention)
Italian diarrea (mention)
Italian reuma (mention)
Italian -rrea (mention)
Kazakh ревматизм (mention)