Supposedly she has the flu so she won't be in to work today.
We were going to go to the movies, but supposedly there was a power outage.
The tomb was supposedly haunted.
She was enamored with love for him. This is a sentence containing the word enamored.
yess
He saw her AND fell in love. This is a sentence containing the and word.
John was supposedly at the movies last night, though I know he was at home.
A sentence with the word but is: The day was over, but there was still much work to do.
I just typed the word antechamber. There is a sentence containing the word antechamber, this is also one.
My sentence containing the word sappy: Sappy is a cool word.
Jihad is a word that means to strive for something.
Your question is an example, albeit flawed, of a sentence containing the word "atheist."
He is a naive person because he was raised like that. That is the sentence containing the word naive.