What are synonyms and useful synonyms in English?

These verbs all mean "use, apply".

Use: a common word that focuses on using someone or something to achieve a certain purpose.

Application: refers to the application of one thing to another to play its effective role.

Use: refers to the use of people or things that are in a negative state or have not yet been used, which can be used interchangeably with use, but emphasizes selection and full utilization.

Use: focus on profit or achieve practical goals. Words.

Avail: usually refers to using people or things at hand or nearby to benefit yourself.

Exploit: emphasize full utilization.