When using this word as a verb, it will be awkward to place it at the end, but it can be done: There were many interesting stories that he was telling.
a period
Yes. There is no English word that cannot end a sentence.
When the rabid grasshoppers attack, humanity will end forever.
Global warming will put an end to civilization as we know it.
noA sentence cannot end with the word "the". Hmmm, wait a minute.
The word "incidentally" can be used at the end of a sentence. You can make the sentence "This was done incidentally.".
no it doesn't because it is a punctuation not a word
Hitler's reign of terror came to an end when he lost the war.
The end result was that good had predominated over evil again.
I was horrified at the morbid sight of the dead body at the end of the ally.
Somewhere near the end of the sixth day, God invented chocolate, and He saw that it was good.
No, if you end a sentence with the word of, it would be an incomplete sentence. There will always be other words or at least one word that follows the word of in a sentence.