incessantness vs continuousness

incessantness and continuousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
incessantness	Yes	No	No	No
continuousness	Yes	No	No	No

As nouns, incessantness and continuousness are synonyms defined as:

incessantness and continuousness: the quality of something that continues without end or interruption

Other synonyms of incessantness include ceaselessness, incessancy.

incessantness (noun)	continuousness (noun)
the quality of something that continues without end or interruption	the quality of something that continues without end or interruption