expertise

Skilfulness is a related term of expertise.

As a noun skilfulness

is the state or condition of being skilful.

As a verb expertise is

.

As nouns the difference between background and expertise

is that background is one's social heritage; what one did in the past/previously while expertise is great skill or knowledge in a particular field or hobby.

As a verb background

is to put in a position that is not prominent.

As nouns the difference between expertise and specialist

is that expertise is great skill or knowledge in a particular field or hobby while specialist is someone who is an expert in, or devoted to, some specific branch of study or research.

As an adjective specialist is

specialised.

As nouns the difference between dexterity and expertise

is that dexterity is skill in performing tasks, especially with the hands while expertise is great skill or knowledge in a particular field or hobby.

As a verb expertise

is .

As a noun experts is

.

Artistry is a related term of expertise.

As a noun artistry

is significant artistic skill.

As a verb expertise is

.

As a verb expertise

is .

As a noun deftness is

the characteristic of being deft.

As a verb expertise

is .

As a noun location is

a particular point or place in physical space.

As a noun achievement

is the act of achieving or performing; a successful performance; accomplishment.

As a verb expertise is

.