savorlessness vs flavourlessness

savorlessness and flavourlessness both are nouns.

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

As nouns, savorlessness and flavourlessness are synonyms defined as:

Other synonyms of savorlessness include flavorlessness, savourlessness, tastelessness.

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