Sallownesses refers to a yellowish or pale complexion, often associated with illness or lack of vitality. Some synonyms for sallownesses include pallor, wan, sickly, jaundiced, pasty, washed-out, and ashen. These words can be used to describe someone who appears unhealthy or tired, or who may have a weakened immune system. It's essential to note, however, that these terms should be used with care and sensitivity, as they can have negative connotations. While they are useful for describing physical attributes, they should never be used to stigmatize or discriminate against someone based on their appearance or health status.