I discovered a term related specifically related to racism against the Roma: #Romaphobia
This is a fairly old article but explains it well
"Romaphobia: The last acceptable form of Racism
#Roma #Romany #Romanichal #Romanichal
https://www.opendemocracy.net/can-europe-make-it/aidan-mcgarry/romaphobia-last-acceptable-form-of-racism