Modifiers matching abrasive:

• spherical,
• mechanical,
• airborne,
• hard,
• natural,
• insoluble,
• harsh,
• abrasive,
• hazardous,
• clean,
• fine,
• expendable,
• larger,
• durable,
• common,
• industrial,
• possible,
• loose,
• massive,
• traditional,
• exotic,
• damaging,
• offer,
• coarse,
• aluminous,
• suitable,
• dental,
• organic,
• manufactured,
• particulate,
• conventional,
• strong,
• metal,
• powdered,
• artificial,
• straight,
• premium,
• expensive,
• reusable,
• heavy,
• moving,
• solid,
• inexpensive,
• blasting,
• secondary,
• recyclable,
• super,
• small,
• standard,
• light,
• fixed,
• coated,
• lightweight,
• mild,
• smaller,
• harder,
• important,
• synthetic,
• soft,
• softer,
• out,
• inert,

Simple categories matching harder:

• stone,
• material,
• agent,
• currency,
• alloy,
• ingredient,
• crystal,
• drug,
• layer,
• metal,
• deposit,
• abrasive,
• mineral,
• surface,
• powder,
• particle,
• sediment,
• sport,
• tissue,
• stimulant,
• part,
• work,
• thing,
• resin,
• substance,
• polymer,
• aggregate,
• fabric,
• narcotic,
• object,
• food,
• assets,
• filler,
• rock,
• boot,
• pin,
• gemstone,
• cheese,
• structure,
• medium,
• wood,
• formation,
• music,
• genre,
• feldspar,
• ground,
• stuff,
• glass,
• substrate,