Modifiers matching ligand:

• complex,
• natural,
• polar,
• hydrophobic,
• nonmetal,
• potent,
• external,
• metal,
• exogenous,
• ancillary,
• anionic,
• lipophilic,
• psychoactive,
• acidic,
• base,
• biological,
• environmental,
• neutral,
• hydrophilic,
• axial,
• cellular,
• weak,
• ionic,
• common,
• functional,
• cationic,
• psychedelic,
• atomic,
• active,
• physiologic,
• charged,
• small,
• hard,
• physiological,
• organic,
• soft,
• synthetic,
• relevant,
• additional,
• important,
• bound,
• nonsteroidal,
• uncharged,
• extracellular,
• simple,
• strong,
• endogenous,
• binding,
• inorganic,
• complementary,

Simple categories matching weak:

• system,
• acid,
• linkage,
• rock,
• base,
• mortar,
• object,
• fertilizer,
• material,
• mineral,
• substance,
• component,
• signal,
• point,
• group,
• alkali,
• individual,
• link,
• bond,
• source,
• people,
• soil,
• subsoil,
• person,
• sector,
• area,
• insect,
• industry,
• board,
• spot,
• acceptor,
• compound,
• sediment,
• radical,
• region,
• cover,
• critter,
• athlete,
• force,
• surface,
• immunogen,
• preservative,
• straw,
• formation,
• animal,
• interaction,
• structure,
• tissue,
• ministry,
• discontinuity,
• analgesic,
• zone,
• drug,
• wall,
• unit,
• joint,
• builder,
• gas,
• part,
• resistance,
• ligand,
• victim,
• entity,
• substrate,
• stratum,
• conductor,
• ground,
• salt,
• thing,
• creature,
• armor,
• plane,
• illumination,
• mixture,
• evidence,
• layer,
• complex,
• fish,
• feature,
• emotion,
• criterion,