Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English pledge
Old English plēon (cognate)
English plight (link)
Middle English plege (inherited)
French pleige (cognate)
Old French plege (derived)
Old High German pflegan (cognate)
Latin plebium (mention)
Latin plebiō (mention)
Old Saxon plegan (cognate)

English play (link)
English plight (mention)
English pledgee (suffix)
English pledger (suffix)
English pledgor (suffix)
English pledgeless (suffix)
English interpledge (prefix)
English impledge (affix)
English pledgeable (suffix)
English pledgable (suffix)
English pledgeability (suffix)
English repledge (prefix)
English depledge (prefix)
English pledgeling (suffix)
English pledgemaster (compound)
English pledgeship (suffix)
Old French plevir (mention)
Old French plegier (mention)