Strong H2181 זָנָה zânâh · to fornicate

Numbers

1. Numbers 15:39
   And it shall be unto you for a fringe, that ye may look upon it, and remember all the commandments of the Lord, and do them; and that ye seek not after your own heart and your own eyes, after which ye use to go a whoring:
2. Numbers 25:1
   And Israel abode in Shittim, and the people began to commit whoredom with the daughters of Moab.