amyloid vs amylaceous

amyloid is a noun but amylaceous is not a noun.

Word	Noun	Adjective	Verb	Adverb
amyloid	Yes	Yes	No	No
amylaceous	No	Yes	No	No

As adjectives, amyloid and amylaceous are synonyms defined as:

Other synonyms of amyloid include amyloidal, farinaceous, starchlike.

amyloid (noun)	amylaceous (noun)
(pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue
a non-nitrogenous food substance consisting chiefly of starch; any substance resembling starch

amyloid (adjective)	amylaceous (adjective)
resembling starch	resembling starch