teleprinter vs teletypewriter

teleprinter and teletypewriter both are nouns.

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

As nouns, teleprinter and teletypewriter are synonyms defined as:

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

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

teleprinter (noun)	teletypewriter (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