What's the difference between "Everyday" & "Every Day"

While you probably think both are used interchangeably, they're two different types of words!

[Every day] is probably what you usually use; as in:

> I go to work every day.

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[Every day] is an Adverbial Phrase which describes the frequency of an event or action, like in the example written above.

An Adverb is a word that modifies (describes) a verb (“he sings loudly”), an adjective (“very tall”), another adverb (“ended too quickly”), or even a whole sentence (“Fortunately, I had brought an umbrella.”). Adverbs often end in -ly, but some (such as fast) look the same as their adjective counterparts.

> Tom did not run (badly).

> Tom is (very) tall.

> The race finished (too) (quickly).

> (Fortunately), Lucy recorded Tom’s win.

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"Everyday" is an Adjective that means "commonplace" or "ordinary", as in the example below:

> Coffee is my everyday drink

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An Adjective describes a Noun or a Pronoun, so the word "everyday" here describes the drink, another example is:

> I have three cars but the oldest car is my everyday ride.

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Hope that was helpful, and I'm waiting for your examples in the comments and I'll upvote the best