Other/Miscellaneous Crew

"Other Crew" is the category name used in Full Cast and Crew title pages, in the update forms and in the overview of submission guides:

https://contribute.imdb.com/updates/g...

"Miscellaneous Crew" is used in name pages and in the actual submission guide:

https://contribute.imdb.com/updates/g...

Various other help pages probably vary.

Perhaps some day it would make sense to pick one.