Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English thyself
Old English þīnes silfes (derived)
Old English þīnre sylfre (mention)
Old English þē sylfum (cognate)
Old English þē selfum (mention)
English thy (suffix)
English self (suffix)
Middle English thy-selfe (inherited)
Middle English thiself (mention)
Middle English thi-zelf (mention)
Middle English thou-self (cognate)

English thy (link)
English thyselves (mention)