Select the INCORRECTLY spelt word.

Correct option is B

Option (b) is the incorrectly spelt word.
Correct spelling is: angriest – Superlative of angry; most angry. (सबसे अधिक गुस्से में)
Part of Speech: Adjective (superlative degree)
Example: He became the angriest when he saw the broken glass.
Meanings of all the given options:
· (a) healthiest: Most healthy (सबसे स्वस्थ)
· (b) angriest: Most angry (सबसे गुस्से वाला)
· (c) straightest: Most straight (सबसे सीधा)
· (d) disinterest: Lack of interest (उदासीनता)