'Practicing' in the Bible

“Beware of practicing your righteousness before men to be noticed by them; otherwise you have no reward with your Father who is in heaven.

Now there was a man named Simon, who formerly was practicing magic in the city and astonishing the people of Samaria, claiming to be someone great;

For what I am doing, I do not understand; for I am not practicing what I would like to do, but I am doing the very thing I hate.

contributing to the needs of the saints, practicing hospitality.