Most, least

Words related to the most: the largest number or amount; or the least: the smallest number or amount.

• What words refer to the largest amount of something?
  maximum most
• What words refer to the smallest amount of something?
  the least minimum the fewest the lowest
• What words refer to the largest group?
  the most
• What words refer to the smallest group?
  the least
• What words refer to an amount being the largest it has ever been?
  an all-time high record high high water mark
• What words refer to an amount being the smallest it has ever been?
  an all-time low record low lowest ebb