formless vs amorphous

formless and amorphous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
formless	No	Yes	No	No
amorphous	No	Yes	No	No

As adjectives, formless and amorphous are synonyms defined as:

Other synonyms of formless include shapeless.

formless (adjective)	amorphous (adjective)
having no physical form	lacking the system or structure characteristic of living bodies
having no definite form or distinct shape	without real or apparent crystalline form
	unclear because vague or badly organized
	having no definite form or distinct shape
	(of a group of people or an organization) unorganized or unfocused