1. One who prescribes rules for eating or prepares food by rules.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• diser,
• dater,
• diaster,
• dieyed,
• deeer,
• distor,
• dieth,
• eiter,
• diate,
• dietery,
• debter,
• deaer,
• editer,
• dinete,
• docter,
• denter,
• dlete,
• deteer,
• diett,
• douter

• deity,
• dirt,
• deters,
• duet,
• didder,
• dither,
• deter,
• deed,
• deeter,
• demeter,
• dirtier,
• detour,
• Died,
• dote,
• diet,
• Didier,
• Diets,
• deer,
• deader,
• date,
• dietary,
• Dieted,
• diameter.

The adjective form of the word "Dieter" is "dietary".

The plural of the "Dieter" can be the "dieters".

The singular of the "Dieter" can be the "Dieter".