IPA: /hɑːˈmɒnɪsɪst/
KK: /hɑrˈmɒnɪsɪst/
A person who plays a musical instrument called the harmonica, producing melodies and sounds by blowing air through it.
The harmonicist played a beautiful tune that captivated the audience.
Harmonicist → It is formed from "harmonia" (from Greek ἁρμονία, meaning harmony) and "-ist" (meaning one who practices or is concerned with). The word refers to a person who is involved in or practices harmony, particularly in music.
Think of 'harmony' as the foundation of music, and remember that a 'harmonicist' is someone who practices or is concerned with creating harmony.
No commonly confused words.