Modifiers matching discomfort:

• musculoskeletal,
• physical,
• ocular,
• postoperative,
• emotional,
• mental,
• physiological,
• temporary,
• abdominal,
• personal,
• common,
• related,
• unusual,
• vaginal,
• intense,
• gastric,
• environmental,
• simple,
• acute,
• annoying,
• minor,
• subjective,
• psychological,
• gi,
• severe,
• painful,
• muscular,
• gastrointestinal,
• significant,
• prenatal,
• persistent,
• digestive,
• joint,
• vulvar,
• extreme,
• general,
• internal,
• unpleasant,
• intestinal,

Simple categories matching persistent:

• person,
• event,
• discomfort,
• policeman,
• writer,
• time,
• director,
• disease,
• monk,
• virus,
• detective,
• hero,
• infection,
• pollutant,
• symptom,
• villain,
• pesticide,
• mineral,
• retrovirus,
• tyrant,
• upset,
• contaminant,
• condition,
• scientist,
• chemical,
• transvestite,
• actor,
• organophosphate,
• warrior,
• lesion,
• metal,
• injury,
• adventurer,
• organism,
• bureaucrat,
• compound,
• information,
• volatile,
• conservative,
• substance,
• consequence,
• athlete,
• substrate,
• instability,
• scholar,
• aggression,
• bacteria,
• terrorist,
• womanizer,
• difficulty,
• illness,
• cause,
• lover,
• headache,
• campaigner,
• insecticide,
• herbicide,
• problem,
• hacker,
• dirt,
• pioneer,
• abnormality,
• matter,
• affliction,
• distress,
• complaint,
• disorder,
• material,
• genius,
• politician,
• pain,
• state,
• diarist,
• pathogen,
• circumstances,