prickliness vs thorniness

prickliness and thorniness both are nouns.

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

As nouns, prickliness and thorniness are synonyms defined as:

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

Other synonyms of prickliness include bristliness, spininess.

prickliness (noun)	thorniness (noun)
the quality of being covered with prickly thorns or spines	the quality of being covered with prickly thorns or spines
	a rough and bitter manner
	The property of being full of difficulties, complexities, or controversial points.