tufted vs topknotted

tufted and topknotted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
tufted	No	Yes	No	No
topknotted	No	Yes	No	No

As adjectives, tufted and topknotted are synonyms defined as:

tufted and topknotted: (of a bird or animal) having a usually ornamental tuft or process on the head; often used in combination

Other synonyms of tufted include crested.

tufted (adjective)	topknotted (adjective)
having or adorned with tufts	(of a bird or animal) having a usually ornamental tuft or process on the head; often used in combination
(of plants) growing in small dense clumps or tufts
(of a bird or animal) having a usually ornamental tuft or process on the head; often used in combination