Select the INCORRECTLY spelt word.

Correct option is D

Option (d) "Ingenuos" is incorrectly spelled.
The correct spelling is "Ingenuous."
Correct spelling: Ingenuous (meaning innocent and naive) (हिंदी अर्थ: निष्कपट, सरल).
Example:
· Her ingenuous nature made her an easy target for fraudsters.
Meanings of all the given options:
· Perfidy: Betrayal or treachery (हिंदी अर्थ: विश्वासघात).
· Misanthrope: A person who dislikes humankind (हिंदी अर्थ: मनुष्यद्वेषी).
· Relentless: Unyielding or persistent (हिंदी अर्थ: कठोर, निष्ठुर).