different between unappealingness vs uninvitingness

English

unappealing +? -ness

unappealingness (uncountable)

The quality of being unappealing.
- 1967, W. H. Capitan, D. D. Merrill, Art, Mind, and Religion
  The question makes the obscurities and withdrawals and unappealingness of modern art seem willful — which is another fact of the experience of that art.

uninviting +? -ness

uninvitingness (uncountable)

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