teletypewriter vs telex

teletypewriter and telex both are nouns.

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

As nouns, teletypewriter and telex are synonyms defined as:

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

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

teletypewriter (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

teletypewriter (verb)	telex (verb)
	communicate by telex