Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Persian راز
Persian رستن (link)
Persian رها (link)
Hebrew רָז (cognate)
Proto-Indo-Iranian *raȷ́ʰ- (inherited)
Proto-Indo-Iranian *Hrā́ćš (inherited)
Middle Persian lʾc (inherited)
Old Persian *𐎼𐎠𐏀 (inherited)
Sanskrit रहस्य (cognate)
Classical Syriac ܐܪܙܐ (cognate)
Old Armenian երազ (cognate)
Parthian 𐫡𐫀𐫉 (cognate)

Persian سر (link)
Hindi राज़ (borrowed)
Sanskrit रहस्य (cognate)
Sanskrit रहस् (cognate)
Classical Syriac ܐܪܙܐ (cognate)
Old Armenian երազ (cognate)