spininess vs prickliness

spininess and prickliness both are nouns.

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

As nouns, spininess and prickliness are synonyms defined as:

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

Other synonyms of spininess include bristliness, thorniness.

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