prickliness vs bristliness

prickliness and bristliness both are nouns.

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

As nouns, prickliness and bristliness are synonyms defined as:

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

Other synonyms of prickliness include spininess, thorniness.

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