As always, please provide context or an example, including one or more sentences that uses these words, so we can understand how the word is used and why you might find them confusing.
Yes, we do need some context. Each of these words has several meanings. If you want to use one of them in something you are writing, please give us that. If you have read them somewhere, please give the sentence or sentences in which you saw them, as Cypherpunk says.
Here is how to find sentences using these words: Finding Examples in Context. Possibly looking over the examples you find will help answer your question.
