telegraph post vs telephone pole

telegraph post and telephone pole both are nouns.

Word	Noun	Adjective	Verb	Adverb
telegraph post	Yes	No	No	No
telephone pole	Yes	No	No	No

As nouns, telegraph post and telephone pole are synonyms defined as:

Other synonyms of telegraph post include telegraph pole.

telegraph post (noun)	telephone pole (noun)
tall pole supporting telephone wires	tall pole supporting telephone wires