Actually, the word "guard" is a noun already. It can also be a verb. It all depends on how it is used in a sentence. For example, as a verb: The soldiers guarded the supply truck. But as a noun: The guard is standing at the front gate. So, a guard can be a person, or it can describe an action.
The plural form for the noun guard is guards.
mouthguard faceguard fire-guard right guard left guard gate-guard security guard
Is security guard a proper noun
The noun 'guard' has no gender; a guard can be a male or a female.
The full form for Guard is National Guard of the United States.
There is no full form of security guard. You can have a private security guard.
There is no full form of security guard. You can have a private security guard.
There is no full form of security guard. You can have a private security guard.
"Guard" can be a noun or a verb. As a noun, a guard is a person who protects something. For example, "The guard stood watch over the palace." As a verb, 'guard' is the act of protecting something. For example, "The man guarded his wife's jewel's vigilantly."
Guardian
Is security guard a proper noun
The noun form for the adjective horrible is horribleness.