Expertise vs. Proficient

Expertisenoun

Great skill or knowledge in a particular field or hobby.

Expertisenoun

Advice, or opinion, of an expert.

Expertisenoun

skillfulness by virtue of possessing special knowledge

Expertisenoun

expert skill or knowledge in a particular field

Proficientadjective

Good at something; skilled; fluent; practiced, especially in relation to a task or skill.

Proficientnoun

An expert.

Proficientnoun

One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.

Proficientadjective

Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept,

Proficientadjective

having or showing knowledge and skill and aptitude;

Proficientadjective

competent or skilled in doing or using something

Proficientnoun

a person who is proficient