Yes. I am forty years old. There are forty tons of bricks needed to build this office building.
In the King James version the word - forty - appears 157 times the word - forty's - appears once
Five point Forty-Seven Percent
There were forty passengers waiting in line for the next boat.
Forty mushers have registered for the 2011 race.
This is a nic fortyfive recored player. My grandama had forty five records in her closet.
The dusty old California miner was referred to as a "forty niner".
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.
a sentence with the word"rivulet"
The word "incidentally" can be used at the end of a sentence. You can make the sentence "This was done incidentally.".
The camera was in optimum condition even though it was forty years old.
You just used it in a sentence.