I've since emended the question. https://english.stackexchange.com/q/185214/50720
@MattEllen: I had intended the topic sentence to be my question: 'What are the similarities and differences?' Sadly, I don't know if they're the same; that comment only furthers my confusion. Please advise of suggestions or concerns.
@KitFox: Sadly, I don't know 'why you think it was closed'. Please advise of suggestions or concerns. I have since emended, by following your instructive comment below it:
"If you want this question reopened, you need to explain what is on the other side of those links, and why you think there is or isn't a difference, and what other sources (like a dictionary) you have consulted"