Modifiers matching stock:

• round,
• straight,
• common,
• prepared,
• light,
• white,
• heavier,
• linear,
• heavy,

Simple categories matching straight:

• part,
• side,
• object,
• blade,
• line,
• path,
• abrasive,
• seam,
• member,
• structure,
• surface,
• stick,
• form,
• pin,
• material,
• connector,
• wall,
• plate,
• bar,
• activity,
• wood,
• fertilizer,
• stock,
• road,
• weapon,
• device,
• tool,
• vessel,
• tube,
• tree,
• conductor,
• thing,
• piece,
• limb,
• edge,