It's fair to say that some monoliths could count as monuments, but it's stretching it to say that it is a synonym.
Block, column, monument, pillar and statue are all synonyms for the word monolith.
monolith
A monolith refers to a large, single, and typically impressive structure or monument. In the context of technology, a monolith can also describe a software architecture where the entire application is structured as a single unit.
The root word "litho" in "monolith" originates from the Greek word "lithos," which means "stone." Therefore, "monolith" literally means "single stone," reflecting the idea of a large, single upright stone monument or structure.
an obelisk, column, large statue, etc., formed of a single block of stone
Mt Augustus (Burringurrah, as it is known by Wajarri Yamatji aboriginals. It is significantly larger than Uburru, also in Australia. This monolith is also called Ayers Rock by the white population.
The verb is eulogize.
An antonym is an "opposite name" such as small and big are antonyms. A synonym is a "together name" such as small and little are synonyms. An obelisk is a 4-sided stone pillar. Synonyms include column, monolith, monument, pillar, pylon, tower. There are no listed antonyms for the word obelisk.
Pokotia Monolith was created in 2001.
Living Monolith was created in 1969.
Monolith Soft's population is 2,012.
The population of Monolith Productions is 100.