intangibility vs impalpability

intangibility and impalpability both are nouns.

Word	Noun	Adjective	Verb	Adverb
intangibility	Yes	No	No	No
impalpability	Yes	No	No	No

As nouns, intangibility and impalpability are synonyms defined as:

intangibility and impalpability: the quality of being intangible and not perceptible by touch

Other synonyms of intangibility include intangibleness.

intangibility (noun)	impalpability (noun)
the quality of being intangible and not perceptible by touch	the quality of being intangible and not perceptible by touch
	Ungraspability by or inapprehensibility to the mind.