Identify the misspelt word

Correct option is D

Option (d) is incorrectly spelt word.
Correct spelling is: “ Quintessence” — the most perfect or typical example of a quality or class; in classical philosophy, the fifth element that fills the universe beyond the terrestrial sphere. (Hindi: सारतत्त्व, परम सार)
Example: Kindness is the quintessence of her character.
Meanings of all the given options:
· (a) Vicereine: the wife or female equivalent of a viceroy. (Hindi: वायसराय की पत्नी/महिला वायसराय) — spelling correct.
· (b) floccinaucinihilipilification- the standard humorous long word is floccinaucinihilipilification, meaning the act of estimating something as worthless. (Hindi: तुच्छ समझना, नगण्य मानना)
· (c) Defenestrate: to throw someone or something out of a window; also metaphorically to dismiss. (Hindi: खिड़की से बाहर फेंकना; पदच्युत करना) — spelling correct.