10) Irregardless is not a word

9) An apostrophe is never used to form a plural

8 ) “Literally” means it actually happened. Not that it figuratively happened.

7) Loose and Lose are two different words

6) Your and You’re are two different words

5) Their, They’re, and Their are actually three different words

4) Nonplus does not mean what you think it means.

3) Affect is a verb. Effect is a noun

2) It’s “I couldn’t care less.” “I could care less” actually means you care

1) “It’s” is short for “it is” and “its” means “belonging to it”