ghostliness vs eeriness

ghostliness and eeriness both are nouns.

Word	Noun	Adjective	Verb	Adverb
ghostliness	Yes	No	No	No
eeriness	Yes	No	No	No

As nouns, ghostliness and eeriness are synonyms defined as:

ghostliness and eeriness: strangeness by virtue of being mysterious and inspiring fear

ghostliness (noun)	eeriness (noun)
strangeness by virtue of being mysterious and inspiring fear	strangeness by virtue of being mysterious and inspiring fear