Will one may have trepidation in using this exact word in this sentence. One would use the word trepidation when setting a scene in a story, where a character is worried about entering dark woods at night for example.
A one word sentence would be: Go.
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.
A "sentence" in grammar is a group of words that expresses a complete thought. Most sentences consist of at least a subject (noun form) and a predicate (verb form). The word "sentence" can also mean the punishment given for a criminal offense. Specifically, a sentence may include incarceration, or fines, or both, and may contain a period of supervised probation.
Sentence structure is very complicated, you would not want to uses the same word in one sentence.
Trepidation, which means that one is hesitant to do something. The baby would be worried about falling over the stairs so it would approach them with caution.
one for all, and all for one.
Goodbye is one word. An example sentence would be "I would like to say goodbye to my friends".
There are many ways to use this word. You would want to write a good sentence. That would make your teacher give you a good grade. Would you like to see another sentence? I would be happy to write one for you.
One example of a sentence with the word "optical" in it would be: He looked at the optical illusion on the piece of paper.
One way to use the word sell in a sentence would be: I am going to sell my scooter for $15.
Fingerprint is one word. An example sentence would be "we found your fingerprint at the scene".
Candlestick is one word. An example sentence would be "this candlestick is the murder weapon!"