Great Pyramid of Giza vs Pyramid

Great Pyramid of Giza and Pyramid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Pyramid of Giza	Yes	No	No	No
Pyramid	Yes	No	No	No

As nouns, Great Pyramid of Giza and Pyramid are synonyms defined as:

Great Pyramid of Giza and Pyramid: a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt

Other synonyms of Great Pyramid of Giza include Great Pyramid, Pyramids of Egypt.

Great Pyramid of Giza (noun)	Pyramid (noun)
a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt	a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt