Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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French périlleux
French péril (mention)
French -eux (mention)
French périculeux (doublet)
Old French perilleus (inherited)
Latin perīculōsus (inherited)
Latin (mention)

English parlous (cognate)
Catalan perillós (cognate)
French périlleusement (suffix)
French périculeux (doublet)