Synonyms for the term "Sunu Air" can vary depending on the context in which it is used. If "Sunu Air" refers to a brand or specific company, alternatives could be "Sunu Airways" or "Sunu Airlines". However, if the term relates to the concept of air or atmospheric conditions, synonymous phrases could include "fresh air", "breezy atmosphere", or simply "air". Additionally, if "Sunu Air" refers to the sensation of warmth or brightness associated with the sun, synonyms might include "sunshine", "sunlight" or "solar radiance". Ultimately, the choice of synonym for "Sunu Air" will depend on the intended meaning within the specific sentence or phrase.