grest hashtag performance
Unfortunately, "grest" isn't a recognized TikTok hashtag. Assuming a typo, and you meant "#great," here are 30 words:
Amazing, fantastic, awesome, wonderful, excellent, superb, remarkable, impressive, outstanding, brilliant, incredible, positive, uplifting, joyful, happy, fun, engaging, entertaining, popular, trending, viral, content, videos, challenge, dance, music, community.