Skill
Part of speech: noun
Definition: capacity to do something well; technique, ability. Skills are usually acquired or learned, as opposed to abilities, which are often thought of as innate.
Example sentence: A weed is a plant that has mastered every survival skill except for learning how to grow in rows.
Accomplishment
Part of speech: noun
Definition: The act of accomplishing; entire performance; completion; fulfillment; as, the accomplishment of an enterprise, of a prophecy, etc.That which completes, perfects, or equips thoroughly; acquirement; attainment; that which constitutes excellence of mind, or elegance of manners, acquired by education or training.
Example sentence: Everybody starts at the top, and then has the problem of staying there. Lasting accomplishment, however, is still achieved through a long, slow climb and self-discipline.