Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English pat
Old English plættan (derived)
Bavarian patzen (cognate)
German platzen (cognate)
Middle Dutch platten (cognate)
Middle Dutch pletten (mention)
English (mention)
English patch (mention)
English platch (mention)
English pate (mention)
English plate (mention)
English plat (mention)
English pat on the back (link)
English patter (link)
English pitter-pat (link)
English one one's pat (link)
English pat down (link)
English pat on the back (link)
English pat hand (link)
English strike (link)
English hit (link)
English feel (link)
English name (link)
Middle English *patten (inherited)
Middle English platten (mention)
Middle English pletten (mention)
Proto-Germanic *plat- (derived)
Proto-Indo-European *blod- (derived)
Proto-Indo-European *bled- (mention)
Swedish plätta (cognate)
Swedish pjätta (mention)

English pet (link)
English patch (mention)
English cowpat (compound)
English down pat (mention)
English patter (suffix)
English patter (suffix)
English patness (suffix)
English patdown (compound)
English bepat (prefix)
English patly (suffix)
English patteth (suffix)
English patball (compound)
English pattest (suffix)
Middle English platten (mention)