Here are some examples of how it is used:
* Their persistence paid off in the end.
* The doctor praised the patient's persistence in following their treatment plan.
* The company's persistence in innovation has led to its success.
There is also the less common -ent, which forms the adjective persistent.
* She was persistent in her efforts to get her message across.
* The persistent rain made it difficult to go outside.
* The persistent rumors about the company's financial troubles began to worry investors.