Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English tau
Ancient Greek ταῦ (borrowed)

English kappa (link)
English tauon (suffix)
English stau (prefix)
English antitau (prefix)
English tauopathy (affix)
English ditau (prefix)
English quasitau (prefix)
English tau bone (link)
German Tau (cognate)
Japanese タウ (borrowed)
Malay tau (borrowed)