"eco-" is a common prefix that refers to environmentally friendly concepts, practices, and movements. There are several synonyms for the word "eco-", which include "green", "sustainable", "environmental", "earth-friendly", "nature-conscious", and "planet-conscious". These synonyms help to depict different aspects of eco-friendliness, such as conservation, protection, and responsibility for the environment. The use of these synonyms is prevalent in various fields, including agriculture, energy, architecture, and fashion. The adoption of eco-friendly practices and products is gaining popularity as more people become aware of the negative impacts of human activities on the planet. With a growing need for sustainability, these synonyms will continue to play an essential role in promoting a cleaner, healthier, and safer environment for future generations.