Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English parlous
English perilous (doublet)
Middle English parles (inherited)
Middle English parlous (mention)
Middle English perlous (mention)
Middle English perilous (mention)
French périlleux (cognate)
Old French perilleus (derived)
Old French perillos (mention)
Old French perillous (mention)
Old French perilluse (mention)
Old French perilleuse (mention)
Old French perilleux (mention)
Proto-Indo-European *per- (root)
Proto-Indo-European *per- (derived)
Latin perīculōsus (derived)
Latin perīculum (mention)
Latin -ōsus (mention)

English parlously (suffix)
English parlousness (suffix)