• activiotes,
• activisties,
• activitis,
• activisms,
• activitits,
• actvisits,
• activests,
• activiites,
• activst,
• activits,
• activitsts,
• activites,
• activiates,
• activsts,
• actovist,
• activiest,
• activest,
• activivty,
• activisits,
• acitivists

• activating,
• actifed,
• activist,
• activate,
• active voice,
• active trust,
• acidify,
• activeness,
• activism,
• activity,
• activistic,
• activase,
• activator,
• active site,
• active,
• activation,
• activated.

The adjective form of the word "activists" is "activist".