Identify the incorrect spelling.

Correct option is D

Option (d) is the incorrectly spelt word.
Correct spelling is: “Perseverance” — steady and continued effort despite difficulties; firmness of purpose and persistence in doing something over time. (Hindi: दृढ़ संकल्प / निरंतर प्रयास).
Example: Her perseverance helped her clear the exam on her third attempt.
Meanings of all the given options:
• (a) Malfeasance — wrongdoing or misconduct, especially by a public official (Hindi: कदाचार/दुराचार).
• (b) Magnanimous — generous and forgiving, especially toward a rival or less powerful person (Hindi: उदार / उदारचित्त).
• (d) Insatiable — impossible to satisfy (e.g., appetite/curiosity) (Hindi: अतृप्त / असंतुष्ट रहने वाला).
• (d) Perseverance (correct form) — persistence in doing something despite difficulty (Hindi: दृढ़ता / निरंतरता).
Same-word spelling note (Parts of speech):
· Perseverance is a noun (quality/state). Related forms: persevere (verb), perseverant/persevering (adjectives).