A normal Fermi liquid is a state of matter in which electrons behave in a predictable and ordered manner. In physics, there are several synonyms for this term, each with their own unique connotations and nuances. Some examples include "conventional Fermi liquid," "regular Fermi liquid," and "ordinary Fermi liquid." These synonyms emphasize the standard, expected behavior of electrons in this state of matter. Other options include "typical Fermi liquid," "common Fermi liquid," and "plain Fermi liquid." These synonyms underscore the idea that a normal Fermi liquid is not exceptional or unusual, but rather a typical and expected state of matter in many systems.