• oerognathus hispidus,
• lerognathus hispidus,
• -erognathus hispidus,
• 0erognathus hispidus,
• pwrognathus hispidus,
• psrognathus hispidus,
• pdrognathus hispidus,
• prrognathus hispidus,
• p4rognathus hispidus,
• p3rognathus hispidus,
• peeognathus hispidus,
• pedognathus hispidus,
• pefognathus hispidus,
• petognathus hispidus,
• pe5ognathus hispidus,
• pe4ognathus hispidus,
• perignathus hispidus,
• perkgnathus hispidus,
• perlgnathus hispidus,
• perpgnathus hispidus

The adjective form of "Perognathus hispidus" is "perognathus hispidus". Adjectives do not typically change when describing a specific species. The name "Perognathus hispidus" is a taxonomic binomial name used to identify a specific species of pocket mouse.

The plural form of "Perognathus Hispidus" remains the same as it is a proper noun and does not change when pluralized.

The singular form of the word "Perognathus Hispidus" is "Perognathus Hispidus". "Perognathus Hispidus" is the scientific name of a specific species, so it remains the same in both singular and plural forms.