different between adjectivity vs adjectivality

English

adjective +? -ity

adjectivity (uncountable)

The state or condition of being an adjective.
- 2001, Östen Dahl, Past and Present
  adjectivity is often indicated by the means of derivational morphology

From adjectival +? -ity.

adjectivality (uncountable)

The state or condition of being adjectival.
- 2006, Andrew Rosta, in Kensei Sugayama and Richard A. Hudson (editors), Word Grammar: New Perspectives on a Theory of Language Structure, Continuum International Publishing Group, ?ISBN, page 189:
  An adjective leave an adjectival trace, […] So if <e> is complement of wax in (66), <e> would have to share the adjectivality of wroth.

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