Professional
Part of speech: adjective
Definition: Of, pertaining to, or in accordance with the standards of a profession That is carried out for money, especially as a livelihood Expert
Part of speech: noun
Definition: A person who belongs to a profession A person who earns his living from a specified activity An expert.
Example sentence: I don't have a formula to pass on. I always did it my own way. Even today, I hold my independence close. It's what's most precious to me. Passion. Risk. Tenacity. Consistency. This is my professional history.
Pro
Part of speech: preposition
Definition: In favor of
Part of speech: noun
Definition: an advantage of something, especially when contrasted with its disadvantages (cons).a professional sportsmanprofessional someone who is very good at something
Example sentence: Bodybuilding gave me a healthy way to gain weight and learn to balance my life. Earning my pro card within a year, I got to do something I enjoyed and be healthy at the same time.