Modifiers matching acid:

• organic,
• fatty,
• aliphatic,
• monovalent,
• relevant,
• weak,
• essential,
• natural,
• dietary,
• available,
• acetic,
• saturated,
• inorganic,
• conventional,
• base,
• nonvolatile,
• monounsaturated,
• additional,
• extra,
• nitrogenous,
• digestive,
• strong,
• cellular,
• acidic,
• volatile,
• solid,
• hydroxy,
• heterocyclic,
• exogenous,
• heterogeneous,
• common,
• lipophilic,
• nontoxic,
• chemical,
• carboxylic,
• mild,
• liquid,
• phosphorous,
• poisonous,
• dangerous,
• aqueous,
• dissolved,
• endogenous,
• cyclic,
• free,
• amino,
• gaseous,
• accessible,
• polyunsaturated,
• possible,
• hydrophobic,
• heavy,
• small,
• oxidizable,
• neutral,
• aggressive,
• hydrophilic,
• acid,
• industrial,
• wet,
• little,
• unwanted,
• popular,
• simple,
• unsaturated,
• polymeric,
• useful,
• metabolic,
• basic,
• preservative,
• hard,
• edible,
• soft,
• ordinary,
• unusual,
• monocarboxylic,
• wholesome,
• corrosive,
• aromatic,
• agricultural,
• active,
• safe,

Simple categories matching safe:

• topic,
• container,
• location,
• area,
• offering,
• merchandise,
• place,
• shelter,
• surface,
• document,
• waste,
• fabric,
• language,
• space,
• assets,
• zone,
• fluid,
• structure,
• source,
• material,
• activity,
• facility,
• access,
• room,
• medium,
• refrigerant,
• enclosure,
• use,
• forum,
• product,
• behavior,
• compound,
• grain,
• glass,
• network,
• symbol,
• fuel,
• unit,
• flour,
• acid,
• recreation,
• cultivar,
• item,
• tool,
• footwear,
• object,
• toy,
• layer,
• accommodation,
• point,
• people,
• environment,
• chemical,
• job,
• thing,
• sport,
• metal,
• investment,
• meat,
• obligation,
• plastic,
• cleanup,
• ground,
• site,
• means,
• suture,
• form,
• equipment,
• pick,
• food,
• drug,
• disposal,
• pass,
• relaxant,
• instrument,
• option,
• part,
• market,
• housing,
• organization,
• substance,
• therapy,
• exit,
• way,
• address,
• section,
• nutrient,
• ingredient,
• person,
• antibiotic,
• funds,
• event,
• gas,
• route,
• building,
• practice,
• adhesive,
• stash,
• procedure,
• situation,
• movement,
• composition,