Modifiers matching microbe:

• lethal,
• eukaryotic,
• damaging,
• invisible,
• pathogenic,
• parasitic,
• tiny,
• waterborne,
• contagious,
• deadly,
• dangerous,
• effective,
• heterotrophic,
• common,
• harmful,
• useful,
• smaller,
• destructive,
• model,
• nasty,
• opportunistic,
• hazardous,
• beneficial,
• new,
• indigenous,
• intracellular,
• environmental,
• anaerobic,
• animal,
• toxic,
• infectious,
• photosynthetic,
• unicellular,
• latent,
• cellular,
• larger,
• primitive,
• unwanted,
• biological,
• small,
• undesirable,
• marine,
• positive,
• viable,
• invasive,
• conventional,
• real,
• higher,
• intestinal,

Simple categories matching intestinal:

• disease,
• virus,
• absorption,
• parasite,
• injury,
• microflora,
• bacillus,
• flora,
• infection,
• bacteria,
• nematode,
• detritus,
• worm,
• process,
• lesion,
• organism,
• infarction,
• pathogen,
• microorganism,
• sterol,
• anaerobe,
• neoplasm,
• disorder,
• symptom,
• material,
• helminth,
• problem,
• genus,
• affliction,
• species,
• illness,
• track,
• microbe,
• distress,
• tumor,
• constituent,
• fluid,
• propulsion,
• bug,
• discomfort,
• malady,
• component,
• cancer,
• protease,
• yeast,
• complaint,
• activity,
• inflammation,
• condition,
• change,
• complication,
• pathology,
• substance,
• malignancy,
• upset,
• secretion,
• agent,