The wrongly spelled word is "Burglery." The correct spelling is "Burglary." Burglary refers to the act of unlawfully entering a building with the intent to commit a crime, usually theft.

Explanation of the other options:

☀ Nursery: This word is spelled correctly. It refers to a place where young children are cared for or plants are grown.

☀ Treasury: This word is spelled correctly. It refers to a place where money, valuables, or important documents are kept, especially by a government or financial institution.

☀ Aviary: This word is spelled correctly. It refers to a large enclosure or building where birds are kept for observation, breeding, or display.