Modifiers matching base:

• stable,
• heterocyclic,
• secure,
• hydrated,
• optical,
• small,
• hydrophilic,
• traditional,
• nitrogenous,
• strong,
• culinary,
• stationary,
• solid,
• flat,
• metal,
• tonic,
• fixed,
• thick,
• level,
• rigid,
• social,
• ceramic,
• standard,
• polar,
• horizontal,
• hard,
• dry,
• resistant,
• square,
• organic,
• inert,
• portable,
• sturdy,
• auxiliary,
• firm,
• mild,
• permanent,
• supporting,
• vascular,
• operational,
• lipophilic,
• oily,
• moving,
• concrete,
• weak,
• transparent,
• inorganic,
• common,
• aqueous,
• supportive,
• suitable,
• exogenous,
• underlying,
• physical,

Simple categories matching sturdy:

• board,
• post,
• furniture,
• instrument,
• material,
• object,
• surface,
• item,
• clothing,
• substrate,
• pole,
• fabric,
• support,
• enclosure,
• brush,
• device,
• metal,
• stick,
• paint,
• pot,
• prop,
• compound,
• tree,
• bicycle,
• fixture,
• paper,
• toy,
• cloth,
• herb,
• equipment,
• structure,
• container,
• stuff,
• footwear,
• component,
• shoes,
• plant,
• bench,
• furnishing,
• card,
• wood,
• book,
• stone,
• cotton,
• green,
• box,
• clothes,
• product,
• shelter,
• cutter,
• protection,
• base,
• pan,
• bag,
• predator,