turbidity vs turbidness

turbidity and turbidness both are nouns.

Word	Noun	Adjective	Verb	Adverb
turbidity	Yes	No	No	No
turbidness	Yes	No	No	No

As nouns, turbidity and turbidness are synonyms defined as:

turbidity and turbidness: muddiness created by stirring up sediment or having foreign particles suspended

turbidity (noun)	turbidness (noun)
muddiness created by stirring up sediment or having foreign particles suspended	muddiness created by stirring up sediment or having foreign particles suspended