crassitude vs crassness

crassitude and crassness both are nouns.

Word	Noun	Adjective	Verb	Adverb
crassitude	Yes	No	No	No
crassness	Yes	No	No	No

As nouns, crassitude and crassness are synonyms defined as:

crassitude and crassness: the quality of being crass--devoid of refinement

crassitude (noun)	crassness (noun)
the quality of being crass--devoid of refinement	the quality of being crass--devoid of refinement