• gelleborus viridis,
• belleborus viridis,
• nelleborus viridis,
• jelleborus viridis,
• uelleborus viridis,
• yelleborus viridis,
• hwlleborus viridis,
• hslleborus viridis,
• hdlleborus viridis,
• hrlleborus viridis,
• h4lleborus viridis,
• h3lleborus viridis,
• hekleborus viridis,
• hepleborus viridis,
• heoleborus viridis,
• helkeborus viridis,
• helpeborus viridis,
• heloeborus viridis,
• hellwborus viridis,
• hellsborus viridis

The adjective form of the word "Helleborus viridis" is "Helleborus viridis". In scientific nomenclature, the genus (Helleborus) and species (viridis) names are written in italics, with the genus name capitalized and the species name lowercase.

The plural form of the word "Helleborus Viridis" is "Helleborus Viridis". It remains unchanged in its plural form.

The singular form of the word "Helleborus Viridis" is "Helleborus Viridis". Both the singular and plural forms are the same for this specific term as it represents a scientific name for a plant species.