Select the INCORRECTLY spelt word.

Correct option is A

Option (a) is the incorrectly spelt word.
Correct spelling is: Colloquial - It refers to informal language or conversation, often used in everyday speech rather than in formal writing or speech.
Example: His speech was filled with colloquial expressions that made it relatable to the audience.
Meanings of all the given options:
· Recommend: To suggest something as being suitable or appropriate.
· Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body.
· Occasion: A particular time or instance of an event.