N in n
The 'skill' group
These nouns refer to skill, experience, or an advantage that someone has with regard to a particular area of activity.
Presenting yourself well for an interview could give you the edge in today's competitive work marketplace.
This and his skill in battle won him fame and adulation.
The preposition in is sometimes followed by an '-ing' clause.
ability edge expertise proficiency prowess skill superiority track record
We are the country that has the greatest expertise in dealing with these problems.
There are also a number of nouns which refer to a person who has skill or knowledge relating to a particular area of activity.
According to Peter McIntyre, a specialist in infectious diseases at Sydney's Westmead Hospital, vaccinations are safe.
In the case of expert, pioneer, and specialist, the preposition in is sometimes followed by an '-ing' clause.
expert master past master pioneer specialist
He was a pioneer in writing for the young.