pseudo vs pretender

pseudo and pretender both are nouns.

Word	Noun	Adjective	Verb	Adverb
pseudo	Yes	Yes	No	No
pretender	Yes	No	No	No

As nouns, pseudo and pretender are synonyms defined as:

Other synonyms of pseudo include fake, faker, fraud, imposter, impostor, pseud, role player, sham, shammer.

pseudo (noun)	pretender (noun)
a person who makes deceitful pretenses	a person who makes deceitful pretenses
	a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives

pseudo (adjective)	pretender (adjective)
(often used in combination) not genuine but having the appearance of