pointlessness vs senselessness

pointlessness and senselessness both are nouns.

Word	Noun	Adjective	Verb	Adverb
pointlessness	Yes	No	No	No
senselessness	Yes	No	No	No

As nouns, pointlessness and senselessness are synonyms defined as:

Other synonyms of pointlessness include inanity, mindlessness, vacuity.

pointlessness (noun)	senselessness (noun)
total lack of meaning or ideas	total lack of meaning or ideas