different between unaliveness vs unalive

English

unalive +? -ness

unaliveness (uncountable)

From un- +? alive.

unalive (comparative more unalive, superlative most unalive)

Not alive; dead or inanimate.
Lacking vivacity and liveliness; dull or sterile.
Lacking energy and feeling; passionless; mechanical.
Lacking a fulfilling life; meaningless.
(often with "to") Lacking consciousness; unresponsive, indifferent or oblivious.

unalive (plural unalives)

unalive (third-person singular simple present unalives, present participle unaliving, simple past and past participle unalived)

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