Filed from 3 published puzzles

HYDRATE

Set to 3 different clues across 3 published puzzles, most often “Moisten” — The New York Times, Sunday, 15 February 2009.

7 letters

Every clue on record, most used first

  • Moistenonce

    The New York Times — Sunday, 15 February 2009

  • Sulfuric acid, sayonce

    The New York Times — Thursday, 3 April 2003

  • H2SO4, e.g.once

    The New York Times — Saturday, 28 April 2001

Other answers to these clues