IPA: /ˈfɪlm.dəm/
KK: /ˈfɪlmˌdɑm/
The world or industry of movies and filmmaking, including all the people and activities involved in making films.
Many actors dream of making it big in filmdom.
Filmdom is formed from "film" (from Old English *filme*, meaning a thin layer or membrane) and "-dom" (meaning state or condition). The word refers to the state or realm of films, encompassing the film industry and its community.
Think of the word 'film' as a thin layer of storytelling, and '-dom' as a realm or state. This helps you remember that 'filmdom' refers to the world of films.
No commonly confused words.