• gesperiphona vespertina,
• besperiphona vespertina,
• nesperiphona vespertina,
• jesperiphona vespertina,
• uesperiphona vespertina,
• yesperiphona vespertina,
• hwsperiphona vespertina,
• hssperiphona vespertina,
• hdsperiphona vespertina,
• hrsperiphona vespertina,
• h4speriphona vespertina,
• h3speriphona vespertina,
• heaperiphona vespertina,
• hezperiphona vespertina,
• hexperiphona vespertina,
• hedperiphona vespertina,
• heeperiphona vespertina,
• hewperiphona vespertina,
• hesoeriphona vespertina,
• hesleriphona vespertina

The adjective form of the word "Hesperiphona vespertina" is "hesperiphona vespertina". This is because "Hesperiphona vespertina" is the scientific name for a species of bird known as the evening grosbeak, and scientific names are typically written in italics and in the same format for both the genus and species names.

The plural form of "Hesperiphona Vespertina" is "Hesperiphona Vespertina." The word is a scientific binomial name, also known as a Latin name, for a species of bird commonly known as the Evening Grosbeak. In scientific nomenclature, the species name does not change when forming the plural.

The singular form of the word "Hesperiphona Vespertina" is "Hesperiphona Vespertina". This is because "Hesperiphona Vespertina" is already a singular noun. It refers to a species of bird commonly known as the Evening Grosbeak.