IPA: /ˈrɛpəˌtwɛr/
KK: /ˈrɛpərˌtwɑr/
A collection of works, such as songs or plays, that a performer or group is ready to present, or a range of skills and abilities that someone possesses.
The musician has an impressive repertoire that includes classical and contemporary pieces.
Repertoire → It is formed from "re-" (meaning again) and "paraitre" (from Old French, meaning to appear or to show). The word refers to a collection of works that can be performed again and again.
Think of a collection of works that can 'appear again' — 're-' means again, and 'paraitre' means to appear.
No commonly confused words.