• ahortgrass,
• zhortgrass,
• xhortgrass,
• dhortgrass,
• ehortgrass,
• whortgrass,
• sgortgrass,
• sbortgrass,
• snortgrass,
• sjortgrass,
• suortgrass,
• sdhortgrass,
• shortgrasse,
• shorgrass,
• shortgras,
• short grass,
• short-graas,
• shorgraas,
• shorgress,
• shordgras

• short's aster,
• shortcut,
• shortstop,
• shortcake,
• shortish,
• short-stop,
• short-grass,
• shortest,
• short sale,
• shortage,
• short story.

The adjective form of the word "shortgrass" is "short-grassed".

The plural form of "shortgrass" is "shortgrasses".

The singular form of the word "shortgrass" is "shortgrass". The word "shortgrass" can be used to refer to both the singular and plural form as it is a mass noun describing a type of grass.