mental telepathist vs mind reader

mental telepathist and mind reader both are nouns.

Word	Noun	Adjective	Verb	Adverb
mental telepathist	Yes	No	No	No
mind reader	Yes	No	No	No

As nouns, mental telepathist and mind reader are synonyms defined as:

mental telepathist and mind reader: someone with the power of communicating thoughts directly

Other synonyms of mental telepathist include telepathist, thought-reader.

mental telepathist (noun)	mind reader (noun)
someone with the power of communicating thoughts directly	someone with the power of communicating thoughts directly
	a magician who seems to discern the thoughts of another person (usually by clever signals from an accomplice)