Correct spelling, explanation: doesn’t is a contraction of does not and is used in English to form the negative of the verbs by acting as auxiliary verbs. Doesn’t can be used with the third person singular only, which is he, she, and it. As doesn’t is a contraction, it is mainly used in informal contexts.

Definition of doesn’t:
auxiliary verb – contraction of does not, used in negative forms of the verbs in the third person singular (he, she, it),
She is a demanding boss and she doesn’t like when somebody disagrees with her.

Expressions with doesn’t:
Some popular expressions with doesn’t include:
1. crime doesn’t pay – means that it isn’t worth being dishonest or committing crimes,
I told him that crime doesn’t pay, but he did it anyway.
2. money doesn’t grow on trees – means that nothing is for free and if you want to have something, you need to earn it,
I know it’s a hard job, but money doesn’t grow on trees.
3. that doesn’t count – when something doesn’t matter,
The ball is out the line so that doesn’t count!

Correct spelling

Incorrect spelling, explanation: in negative forms when we want to shorten not we usually change it to n’t. Therefore, for example, the contraction of does not is doesn’t. Nevertheless, many English users make a mistake and spell doesn’t as dosen’t, which is incorrect.

Incorrect spelling

Incorrect spelling