telex vs telecommunicate

telex is a noun but telecommunicate is not a noun.

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

As verbs, telecommunicate is a hypernym of telex; that is, telecommunicate is a word with a broader meaning than telex:

telex: communicate by telex
telecommunicate: communicate over long distances, as via the telephone or e-mail

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

telex (verb)	telecommunicate (verb)
communicate by telex	communicate over long distances, as via the telephone or e-mail