• skillset

skill set (plural skill sets)

1. A set of skills. [from 1975]
2. The skills needed to accomplish a specified task or perform a given function.
   • 2020 July 1, Industry Insider, “An overnight success?”, in Rail, page 61:

     But after the Scottish Parliament gained reponsibility for the ScotRail franchise, it decided in 2015 to separate what is now known as the Caledonian Sleeper services from the overall contract in the belief that a different skill set was needed to promote the trains.

• set

• “a set of skills, a skill set, a skillset”, in Google Books Ngram Viewer.
• “skill set”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

• kiltless, skillest, skillets