Improvement and Preferment

Improvement noun - An instance of notable progress in the development of knowledge, technology, or skill.

Preferment is a synonym for improvement in bettering topic. In some cases you can use "Preferment" instead a noun "Improvement", when it comes to topics like promotion.

Nearby Words: improve, improved, improving, improvable, improver

Preferment noun - A raising or a state of being raised to a higher rank or position.

Improvement is a synonym for preferment in promotion topic. You can use "Improvement" instead a noun "Preferment", if it concerns topics such as higher position in organization.

Nearby Word: preferable