Modifiers matching interference:

• radio,
• unlawful,
• catastrophic,
• cultural,
• technical,
• major,
• stochastic,
• external,
• nearby,
• operational,
• electromagnetic,
• impulsive,
• visual,
• electronic,
• electrical,
• undesired,
• magnetic,
• temporary,
• unnecessary,
• outside,
• extraneous,
• mental,
• optical,
• passive,
• atmospheric,
• physical,
• cognitive,
• tangible,
• functional,
• aggressive,
• environmental,
• strong,
• potential,
• developmental,
• common,
• transient,
• judicial,
• scientific,
• chemical,
• significant,
• physiological,
• political,
• mechanical,
• anthropogenic,
• random,
• minor,
• unwanted,
• acoustic,
• ambient,
• foreign,
• urban,
• natural,

Simple categories matching unnecessary:

• therapy,
• procedure,
• treatment,
• intervention,
• expense,
• toy,
• measure,
• exertion,
• activity,
• test,
• service,
• stuff,
• surgery,
• information,
• radiation,
• medication,
• thing,
• misconception,
• task,
• interference,
• practice,