I can give you several sentences.
The word "depravity" is a noun. An example of a sentence using the word would be: She was kind and generous, but she was also vulnerable to the depravity of others.
I felt vulnerable because the door could not be locked. The outlying parts of the empire proved vulnerable to attacks by enemies. With proper protection, a computer is vulnerable to viruses and other malware.
Since the word vulnerable means susceptible to an attack, a sentence using vulnerable could be as follows. Woman who walk alone at night often feel vulnerable unless they have something to defend themselves with.
You just used the word acolytes in a sentence. Even saying, "can the word acolytes be used in a sentence", you are using that word in a sentence.
Pregnable means to be vulnerable. A good sentence would be, she felt pregnable so she carried mace and a gun with her at all times.
The word "incidentally" can be used at the end of a sentence. You can make the sentence "This was done incidentally.".
You just used it in a sentence.
No, the word "vulnerable" is an adjective.
This is your umpteenth request for a word to be used in a sentence.
you just used it in a sentence
No, factor is a word that can be used in a sentence.
This is a simple sentence.