FTO stands for "fat mass and obesity-associated gene", which is known for its association with obesity in humans. However, there are several synonyms for FTO that might be useful in a variety of contexts. Some common alternatives for FTO include "fat gene", "obesity gene", "adiposity gene", and "metabolic gene". These terms are often used interchangeably when referring to FTO, and are typically used to describe the gene's effects on the body's metabolism, energy balance, and adipose tissue formation. While FTO is the most widely recognized term for this gene, there are many others that can be used depending on the context and audience.