Since vs. Because

Are "since" and "because" interchangeable or is there a difference between them? This quick explanation will help you put this hot-button issue to rest once and for all.
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Q: I've always been told I have to use "since" when referring to time and "because" when referring to cause. Is that true?

since-vs-because

A: While "because" does imply cause, "since" can imply time or cause. What does that mean? It means that most of the time these words are synonymous and you can use either one.

Since my dog is so hairy, I have to get its hair cut regularly.
Because my dog is so hairy, I have to get its hair cut regularly.

Both of these sentences are correct. The only trap you have to watch out for when using "since" is ambiguity.

Since we had breakfast, we were filled with energy.

This lets you wonder, were we filled with energy because of breakfast or just after breakfast?

Want other Grammar Rules? Check out:
Who vs. Whom
Which vs. That
Raise vs. Rise
Sneaked vs. Snuck
Ensure vs. Insure
Home in vs. Hone in
Leaped vs. Leapt

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Brian A. Klems is the editor of this blog, online editor of Writer's Digest and author of the popular gift bookOh Boy, You're Having a Girl: A Dad's Survival Guide to Raising Daughters.

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