If you want remove a word from the dictionary you can go to:

Settings->Editor->Spelling

Now you should see a window with two tabs, Accepted Words and Dictionaries.

Click on the first one (Accepted Words) and click on the word that you want remove.

After this press on minus icon on the right of the page to remove the word.

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The words "unlesss" and "pacakge" are not in the built-in words in PyCharm. These words are highlighted in PyCharm for me, maybe you added it into the accepted words dictionary?