savourlessness vs flavourlessness

savourlessness and flavourlessness both are nouns.

Word	Noun	Adjective	Verb	Adverb
savourlessness	Yes	No	No	No
flavourlessness	Yes	No	No	No

As nouns, savourlessness and flavourlessness are synonyms defined as:

Other synonyms of savourlessness include flavorlessness, savorlessness, tastelessness.

savourlessness (noun)	flavourlessness (noun)
the property of having no flavor	the property of having no flavor