shingles vs herpes zoster

shingles and herpes zoster both are nouns.

Word	Noun	Adjective	Verb	Adverb
shingles	Yes	No	No	No
herpes zoster	Yes	No	No	No

As nouns, shingles and herpes zoster are synonyms defined as:

shingles and herpes zoster: eruptions along a nerve path often accompanied by severe neuralgia

Other synonyms of shingles include zoster.

shingles (noun)	herpes zoster (noun)
eruptions along a nerve path often accompanied by severe neuralgia	a herpes virus that causes shingles
	eruptions along a nerve path often accompanied by severe neuralgia