Select the INCORRECTLY spelt word.

Correct option is C

Option (c) Infurmary is the incorrectly spelt word.
Correct spelling is: Infirmary – a place in a school, college, or other institution where people receive medical care.
Example: The injured student was immediately taken to the infirmary for treatment.
Meanings of all the other given options:
· Dictionary – a book or digital resource listing words and their meanings. (शब्दकोश)
· Reference – the act of mentioning or consulting something for information. (संदर्भ)
· Ordinary – normal, common, or usual. (साधारण)