Abstract noun of grand

The word 'grand' is a noun, a word for one thousand dollars or one thousand pounds or a word for a grand piano.

Example: That baby grand costs eight grand.

The noun form for the adjective grand is grandness.

A related noun form is grandeur.

The word 'high' is both an adjective, an adverb, and a noun.

• The noun 'high' is an abstract noun as a word for a period or situation in which something reaches its peak; a feeling of great happiness or excitement; a state of intoxication produced by or as if by a drug.
  
• The noun 'high' is a concrete noun as a word for a temperature setting for a heating device or a motor; a word for a place above (on high); a region of high barometric pressure.