Modifiers matching parasite:

• destructive,
• external,
• functional,
• extracellular,
• internal,
• prokaryotic,
• eukaryotic,
• intracellular,
• waterborne,
• bacterial,
• cellular,
• intestinal,
• obligate,
• larger,
• enteric,
• visible,
• microscopic,
• common,
• large,
• aquatic,
• small,
• tiny,
• nasty,
• haematological,
• multicellular,
• unicellular,
• boring,
• major,
• pathogenic,
• infective,
• mutable,
• animal,
• pesky,
• related,
• molecular,
• bloodsucking,
• organic,
• harmful,
• infectious,
• invasive,
• microbial,
• smaller,
• zoonotic,
• bad,
• secondary,
• outside,
• invertebrate,
• macroscopic,
• out,
• important,
• complex,
• unwanted,
• mobile,
• real,
• possible,
• opportunistic,
• dangerous,
• predatory,
• protozoal,

Simple categories matching intestinal:

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