teleprinter vs telex

teleprinter and telex both are nouns.

Word	Noun	Adjective	Verb	Adverb
teleprinter	Yes	No	No	No
telex	Yes	No	Yes	No

As nouns, teleprinter and telex are synonyms defined as:

teleprinter and telex: a character printer connected to a telegraph that operates like a typewriter

Other synonyms of teleprinter include teletype machine, teletypewriter, telex machine.

teleprinter (noun)	telex (noun)
a character printer connected to a telegraph that operates like a typewriter	a character printer connected to a telegraph that operates like a typewriter

teleprinter (verb)	telex (verb)
	communicate by telex