Modifiers matching nitrogen:

• fixed,
• dry,
• volatile,
• inorganic,
• elemental,
• atmospheric,

Simple categories matching dry:

• material,
• plant,
• food,
• bait,
• bedding,
• surface,
• forage,
• ingredient,
• noodle,
• paper,
• area,
• measure,
• contact,
• softwood,
• substance,
• medium,
• place,
• herb,
• pharmaceutical,
• situation,
• flavour,
• spot,
• tissue,
• matter,
• concentrate,
• layer,
• roughage,
• event,
• time,
• fruit,
• commodity,
• location,
• duster,
• coupling,
• grain,
• dish,
• footwear,
• grass,
• condition,
• ballast,
• flour,
• carrier,
• information,
• clay,
• cereal,
• debris,
• clothing,
• pasta,
• beverage,
• vegetable,
• alcohol,
• times,
• air,
• medication,
• concept,
• month,
• provisions,
• aggregate,
• spring,
• staple,
• feature,
• fabric,
• liquid,
• garment,
• season,
• atmosphere,
• item,
• cargo,
• bread,
• cloth,
• foodstuff,
• article,
• handwear,
• meat,
• community,
• brown,
• biome,
• packing,
• constituent,
• region,
• source,
• illness,
• scent,
• onion,
• metal,
• stout,
• scavenger,
• form,
• slope,
• climate,
• stain,
• dielectric,
• gear,
• fertilizer,
• cake,
• boot,
• waste,
• particle,
• skin,
• ground,
• solid,
• beer,
• color,
• straw,
• spice,
• bean,
• residue,
• curd,
• ore,
• process,
• gas,
• seed,
• rubbish,
• tree,
• cell,
• base,
• burgundy,
• contaminant,
• stuff,
• dirt,
• nitrogen,
• utensil,
• flower,
• wall,
• composition,
• sample,
• precipitation,
• powder,
• fiber,
• land,
• heat,
• system,
• cracker,
• sorbent,
• woodland,
• mortar,
• rock,
• cheese,
• treatment,
• sherry,
• forest,
• compound,
• site,
• oil,
• feed,
• lubricant,
• operations,
• trash,
• mammal,
• substrate,
• container,
• partition,
• solvent,
• grape,
• thing,
• pea,
• legume,
• sound,
• beach,
• chemical,
• valley,
• seasoning,
• yeast,
• soup,
• line,
• particulate,
• part,
• appliance,
• game,
• garbage,
• period,
• medicine,
• deposit,
• mixture,
• environment,
• mulch,
• product,
• hardwood,
• fuel,
• bulk,
• wine,
• wood,
• structure,
• nut,
• country,
• object,
• component,
• habitat,
• leaf,
• soil,
• sport,
• fodder,
• filler,
• room,
• pesticide,
• zone,
• cable,
• sausage,