Modifiers matching bug:

• colorful,
• moving,
• social,
• bad,
• little,
• beneficial,
• undesirable,
• friendly,
• new,
• small,
• fast,
• tiny,
• predatory,
• biting,
• microscopic,
• smaller,
• destructive,
• pesky,
• common,
• harmless,
• cute,
• nasty,
• contagious,
• typical,
• nocturnal,
• larger,
• bigger,
• irritating,
• intestinal,
• deadly,
• airborne,
• damaging,
• aquatic,
• adult,
• flying,
• harmful,
• large,
• fixed,
• minute,

Simple categories matching contagious:

• illness,
• disease,
• nature,
• situation,
• bug,
• disorder,
• pathogen,
• infection,
• substance,
• malady,
• affliction,
• agent,
• condition,
• process,
• microbe,
• virus,
• thing,
• behavior,