trisagion /tri-sagˈi-on/

1. An ancient hymn consisting of the words ‘O Holy God, holy and mighty, holy and immortal, have mercy on us’
2. Loosely, the Tersanctus

• regencies
• regency
• regenerable
• regeneracies
• regeneracy
• regenerate
• regenerated
• regenerates
• regenerating
• regeneration
• regenerations
• regenerative
• regeneratively
• regenerator
• regenerators
• regeneratory
• regent
• regent-bird
• regent-birds
• regents
• regentship
• regentships
• reges
• regest
• regests