Category Nuances for null:

• common,
• special,
• exotic,
• antimicrobial,
• desired,
• wonderful,
• western,
• essential,
• free,
• toxic,
• conventional,
• ophthalmic,
• inhibitory,
• medicinal,
• basic,
• needed,
• chronic,
• biological,
• complex,
• inflammatory,
• pharmaceutical,
• prescribed,
• secondary,
• novel,
• damaging,
• scientific,
• preventive,
• vital,
• synthetic,
• dangerous,
• ordinary,
• harmful,
• simple,
• routine,
• unfriendly,
• strong,
• interfering,
• lethal,
• old,
• crucial,
• general,
• charged,
• unnatural,
• circulatory,
• industrial,
• injectable,
• outside,
• liquid,
• otc,
• dermatological,
• natural,
• commonplace,
• exogenous,
• powerful,
• beneficial,
• nonprescription,
• oral,
• necessary,
• inorganic,
• active,
• cardiac,
• artificial,
• bactericidal,
• legal,
• environmental,
• hydrophobic,
• animal,
• antibacterial,
• single,
• complementary,
• suppressive,
• required,
• acidic,
• chemical,
• unwanted,
• extraneous,
• chemotherapeutic,
• anticancer,
• protective,
• miscellaneous,
• hazardous,
• threatening,
• inexpensive,
• noxious,
• diverse,
• traditional,
• therapeutic,
• deleterious,
• antiviral,
• important,
• pharmacologic,
• valuable,
• labile,
• veterinary,
• effective,
• unstable,
• biochemical,
• useful,
• expensive,
• small,
• concomitant,
• ionic,
• hydrophilic,
• bacterial,
• antibiotic,
• popular,
• supportive,
• selective,
• underlying,
• new,
• additional,
• physical,
• controlled,
• medical,
• potent,
• unnecessary,
• pharmacological,
• systemic,
• modern,
• organic,
• healing,
• topical,
• related,
• outdated,
• everyday,
• harmless,

Simple Categories for null:

• residue,
• agent,
• adulterant,
• medicament,
• drug,
• danger,
• medication,
• medicine,
• entity,
• system,
• nature,
• substance,
• pharmaceutical,
• prescription,
• cure,
• antimicrobial,
• specific,
• ligand,
• thing,
• solute,
• cause,
• nutrient,
• remedy,
• metabolite,