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perfidiousness vs perfidious

perfidious vs perfidiousness

perfidiousness is a noun but perfidious is not a noun.

perfidiousness is not an adjective while perfidious is an adjective.

Word NounAdjectiveVerbAdverb
perfidiousness Yes No No No
perfidious No Yes No No
perfidiousness (noun) perfidious (noun)
betrayal of a trust
perfidiousness (adjective) perfidious (adjective)
tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
Difference between perfidiousness and perfidious

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