bristliness vs prickliness

bristliness and prickliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
bristliness	Yes	No	No	No
prickliness	Yes	No	No	No

As nouns, bristliness and prickliness are synonyms defined as:

bristliness and prickliness: the quality of being covered with prickly thorns or spines

Other synonyms of bristliness include spininess, thorniness.

bristliness (noun)	prickliness (noun)
the quality of being covered with prickly thorns or spines	the quality of being covered with prickly thorns or spines