sereness vs waterlessness

sereness and waterlessness both are nouns.

Word	Noun	Adjective	Verb	Adverb
sereness	Yes	No	No	No
waterlessness	Yes	No	No	No

As nouns, waterlessness is a hypernym of sereness; that is, waterlessness is a word with a broader meaning than sereness:

sereness: a withered dryness
waterlessness: the condition of not containing or being covered by a liquid (especially water)

Other hypernyms of sereness include dryness, xerotes.

sereness (noun)	waterlessness (noun)
a withered dryness	the condition of not containing or being covered by a liquid (especially water)