Select the INCORRECTLY spelt word.

Correct option is D

Option (d) is incorrectly spelt word.
Correct spelling is “Occasion”.
Meanings of all options-
 Ignorance - Lack of knowledge, awareness, or information.
 Misspell - To spell a word incorrectly.
 Harass - To persistently trouble, torment, or annoy someone.
 Occasion - A specific event, time, or circumstance; a particular instance or opportunity.