laxness vs remissness

laxness and remissness both are nouns.

Word	Noun	Adjective	Verb	Adverb
laxness	Yes	No	No	No
remissness	Yes	No	No	No

As nouns, laxness and remissness are synonyms defined as:

Other synonyms of laxness include laxity, slackness.

laxness (noun)	remissness (noun)
the quality of being lax and neglectful	the quality of being lax and neglectful
the condition of being physiologically lax