Keyword stuffing is when you put your keyword too many times in an article just for the sake of ranking in google search results.
But little do you know you are actually playing with your ranking with keyword stuffing.
You may rank in google but only for some time. After that Google will get to know about your article and will decide to penalize you and lower your ranking.
So don't ever try to engage in keyword stuffing
Now the question is how to stay far from keyword stuffing.
Experts say you should only use your primary keyword 2% in your article and other than that you can use synonyms of the primary keyword like if your primary keyword is best games on android You can use its synonyms like "top games on mobile", good mobile games, best android games read more on tikzip
and also make sure to use other keywords to rank for multiple keywords on google.
Other keywords like - android mobile games, free android games, android apk games
Remember these rules or you can use Yoast SEO plugin that can also help you in good ways
