a malapropism for 'Islamist'
"The reporter's careless use of the term "Islamic terrorist" was actually a malapropism for "Islamist," since Islam itself does not endorse violence."
In plain English: An Islamic is not actually a noun because it describes things related to Islam rather than being an object itself.
"The term is not used as a noun in standard English, so no such sentence exists; you likely mean to use it as an adjective describing something related to Islam or Muslims."
Of, pertaining to, originating in, characteristic of, or deriving from Muslims or Islam.
"The local festival featured traditional Islamic music and decorations that reflected deep cultural roots within the community."
In plain English: Islamic means relating to Islam, which is the religion practiced by Muslims who follow the teachings of Muhammad and believe in one God.
"The mosque is an important center for Islamic prayer and community gatherings in our city."
The word Islamic comes from combining the root of Islam with a suffix meaning "-like," likely entering English via Middle French or Late Latin. It was formed to describe things related to the religion of Islam itself.