nail pulling vs nail removal

nail pulling and nail removal both are nouns.

Word	Noun	Adjective	Verb	Adverb
nail pulling	Yes	No	No	No
nail removal	Yes	No	No	No

As nouns, nail pulling and nail removal are synonyms defined as:

nail pulling and nail removal: a form of torture in which the fingernails or toenails are removed

nail pulling (noun)	nail removal (noun)
a form of torture in which the fingernails or toenails are removed	a form of torture in which the fingernails or toenails are removed