assumed vs fictitious

assumed and fictitious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
assumed	No	Yes	No	No
fictitious	No	Yes	No	No

As adjectives, assumed and fictitious are synonyms defined as:

Other synonyms of assumed include false, fictive, pretended, put on, sham.

assumed (adjective)	fictitious (adjective)
adopted in order to deceive	adopted in order to deceive
	formed or conceived by the imagination