IPA: //mjuˈziːəmˌɡoʊər//
KK: /mjuˈziːəmˌɡoʊər/
A person who visits a museum or enjoys going to museums regularly.
As a museumgoer, I love exploring new exhibits and learning about art and history.
Museumgoer → It is formed from "museum" (from Latin *museum*, meaning a place for the muses or a place of study) and "goer" (meaning a person who goes). A museumgoer is a person who goes to a museum.
Think of a 'museum' as a place of study and 'goer' as someone who visits — a museumgoer is simply someone who visits a place of study.
No commonly confused words.