Avail
Part of speech: verb
Definition: To turn to the advantage of; to be of service to. To promote; to assist. To be of use or advantage; to answer or serve the purpose; to have strength, force, or efficacy sufficient to accomplish the object. To provide.
Part of speech: noun
Definition: Benefit; value, profit; advantage toward success. Effect in achieving a goal or aim; purpose, use (now usually in negative constructions). Proceeds; profits from business transactions. Effort; striving. An unsold, available advertising slot or package. A timeslot set aside for an advertisement. A press avail. Non-binding notice of availability for work. A readily available stock of oil.
Example sentence: Unless you have made a complete surrender and are doing his will it will avail you nothing if you've reformed a thousand times and have your name on fifty church records.
Service
Part of speech: verb
Definition: To serve.To perform maintenance.To perform a sexual act.
Part of speech: noun
Definition: An event in which an entity takes the responsibility that something desirable happens on the behalf of another entity.Action or work that is produced, then traded, bought or sold, then finally consumed.A function that is provided by one program or machine for another.The military.A set of dishes or utensils.The act of initially starting, or serving, the ball in play in tennis, volleyball, and other games.A religious rite or ritual.The serving, or delivery, of a summons or writ.(public service) that which is provided by the government or its agentsDoing something for someone else without thought of reward or payment.
Example sentence: To give real service you must add something which cannot be bought or measured with money, and that is sincerity and integrity.