Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Russian сей
Russian сий (doublet)
Russian э́тот (link)
Russian да́нный (link)
Russian тот (link)
Russian сѣй (alter)
Russian (alter)
Russian ru-PRO (alter)
Proto-Slavic *sь (inherited)

Russian этот (mention)
Russian сейчас (mention)
Russian -сь (mention)