Modifiers matching endeavour:

• related,
• educational,
• creative,
• artistic,
• constructive,
• intellectual,
• physical,
• cultural,
• online,
• maritime,
• collaborative,
• practical,
• economic,
• municipal,
• domestic,
• industrial,
• larger,
• expressive,
• active,
• traditional,
• criminal,
• healthy,
• scientific,
• expensive,
• musical,
• passive,
• mundane,
• therapeutic,
• sporting,
• competitive,
• future,
• risky,
• extreme,
• cooperative,
• academic,
• disciplinary,
• subjective,
• heavy,
• athletic,
• common,
• professional,
• tangible,
• civil,

Simple categories matching collaborative:

• process,
• activity,
• measure,
• task,
• scheme,
• effort,
• behaviour,
• entity,
• work,
• association,
• exchange,
• piece,
• production,
• interaction,
• action,
• procedure,
• art,
• communications,
• job,
• arrangement,
• relationship,
• event,
• group,
• forum,
• programme,
• project,
• structure,
• program,
• component,
• skill,
• endeavour,
• individual,
• practice,
• medium,
• observation,
• tool,
• works,
• space,
• linkage,
• product,
• document,
• content,
• enterprise,
• proposal,
• artifact,
• network,
• agreement,
• play,
• communication,
• service,