angina vs angina pectoris

angina and angina pectoris both are nouns.

Word	Noun	Adjective	Verb	Adverb
angina	Yes	No	No	No
angina pectoris	Yes	No	No	No

As nouns, angina and angina pectoris are synonyms defined as:

angina and angina pectoris: a heart condition marked by paroxysms of chest pain due to reduced oxygen to the heart

angina (noun)	angina pectoris (noun)
any disease of the throat or fauces marked by spasmodic attacks of intense suffocative pain	a heart condition marked by paroxysms of chest pain due to reduced oxygen to the heart
a heart condition marked by paroxysms of chest pain due to reduced oxygen to the heart