Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English pillow
Old English pylwe (inherited)
Old English pylu (mention)
Old English pyle (mention)
English pulvinus (doublet)
Middle English pilwe (inherited)
Proto-West Germanic *pulwī (inherited)
Latin pulvīnus (derived)
Latin pulvis (suffix)
Latin īnus (suffix)

English pillowcase (compound)
English pillowbook (compound)
English pillowslip (compound)
English pillowbeer (compound)
English pulvinus (doublet)
English pillowy (suffix)
English pillowtop (compound)
English pillowlike (suffix)
English pillowless (suffix)
English quillow (blend)
English pilloweth (suffix)
English pillowest (suffix)
English pillowside (suffix)
English snow pillow (compound)
English boomerang pillow (compound)
Irish piliúr (cognate)
German Low German Pöhl (cognate)
Tok Pisin pilo (derived)
Tok Pisin hetpilo (mention)
Vietnamese gối (link)