whitelash vs white backlash

whitelash and white backlash both are nouns.

Word	Noun	Adjective	Verb	Adverb
whitelash	Yes	No	No	No
white backlash	Yes	No	No	No

As nouns, whitelash and white backlash are synonyms defined as:

whitelash and white backlash: backlash by white racists against black civil rights advances

whitelash (noun)	white backlash (noun)
backlash by white racists against black civil rights advances	backlash by white racists against black civil rights advances