This is false.
«نَزَالِ» is a verb-noun; «فَجَارِ» a verbal noun; «فَسَاقِ» an epithet; «قَطَامِ» a proper name.
Check category, meaning, and syntactic context, not pattern alone.
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Error: Every Faʿāli Is a Verb-Noun
Asmāʾ al-Afʿāl — Definition, Uses and Parsing
This is false.
«نَزَالِ» is a verb-noun; «فَجَارِ» a verbal noun; «فَسَاقِ» an epithet; «قَطَامِ» a proper name.
Check category, meaning, and syntactic context, not pattern alone.