perceivable vs graspable

perceivable and graspable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
perceivable	No	Yes	No	No
graspable	No	Yes	No	No

As adjectives, perceivable and graspable are synonyms defined as:

Other synonyms of perceivable include apprehensible, intelligible, understandable.

perceivable (adjective)	graspable (adjective)
capable of being apprehended or understood	capable of being apprehended or understood
capable of being perceived especially by sight or hearing