Modifiers matching parasite:

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

Simple categories matching intestinal:

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