Discomfort can be a slight pain, feeling uneasy, anxious, or embarrassed.
Distress: Yes, this is a synonym for discomfort.
Aversion: Yes, Aversion is the strong dislike of something or someone.
Listlessly: Yes, Listlessly can connect to the concept of discomfort as it can be characterized by a lack of interest or lethargic feeling.
Amelioration: No, Amelioration is the act of making something better. This is the opposite of Discomfort.
Asphyxiation: Yes, Asphyxiation can connect to the concept of discomfort, as the act of being asphyxiated can be extremely uncomfortable.
Travail: Yes, Travail is a painful or laborious effort, which does connect to the concept of discomfort.
I hope I've helped! :)