Into vs. In To: Difference, Examples, and an Easy Rule
Learn the difference between into and in to, when to use one word or two words, examples, common mistakes, log in to vs login to, and a quick quiz.
One Word or Two
Some English expressions change meaning or correctness depending on whether they are written as one word or two. This category explains spacing choices such as everyday/every day, awhile/a while, a lot/alot, anyone/any one, anymore/any more, cannot/can not, into/in to, and onto/on to.
The guides show how each form works in a sentence, when the one-word form is correct, when the two-word form is correct, and which forms are nonstandard. These distinctions are especially helpful for editing essays, emails, blog posts, and professional documents.
Use this archive when a phrase looks familiar both ways and you need to know which version fits your meaning. For practice, review the One Word or Two Quiz in the Quizzes & Practice section.
Cannot vs. Can Not: Difference, Examples, and an Easy Rule
Learn the difference between cannot and can not, when to use one word or two words, examples, common mistakes, can’t vs cannot, and a quick quiz.
Anymore vs. Any More: Difference, Examples, and an Easy Rule
Learn the difference between anymore and any more, when to use one word or two words, US usage notes, examples, common mistakes, and a quick quiz.
Every Time vs. Everytime: Difference, Examples, and an Easy Rule
Learn the difference between every time and everytime, why every time is the standard spelling, examples, common mistakes, and a quick quiz.
Anyone vs. Any One: Difference, Examples, and an Easy Rule
Learn the difference between anyone and any one, when to use one word or two words, examples, common mistakes, and a quick quiz.
A Lot vs. Alot: Difference, Examples, and an Easy Rule
Learn the difference between a lot and alot, why alot is not standard, how to use a lot correctly, the difference between a lot and allot, and a quick quiz.
Altogether vs. All Together: Difference, Examples, and an Easy Rule
Learn the difference between altogether and all together, when to use one word or two words, examples, common mistakes, and a quick quiz.
Awhile vs. A While: Difference, Examples, and an Easy Rule
Learn the difference between awhile and a while, when to use one word or two words, examples, common mistakes like for awhile, and a quick quiz.
Is It Already or All Ready? Difference, Examples, and Easy Rule
Learn the difference between already and all ready, with meanings, examples, common mistakes, memory tips, and a quick quiz.
Everyday vs. Every Day: Difference, Examples, and an Easy Test
Learn the difference between everyday and every day with a simple adjective-versus-frequency rule, examples, common mistakes, and a quick quiz.