• dattist,
• cattist,
• vattist,
• gattist,
• tattist,
• rattist,
• fzttist,
• fsttist,
• fwttist,
• fqttist,
• fartist,
• faftist,
• fagtist,
• faytist,
• fa6tist,
• fa5tist,
• fatrist,
• fatfist,
• fatgist,
• fatyist

• faddist,
• fattest,
• fatuous,
• fittest,
• fastest,
• fatefully,
• faithful,
• fattish.

The adjective form of "fattist" is "fattist". It describes someone or something that demonstrates bias or discrimination based on a person's weight or size.

The plural form of the word "fattist" is "fattists".

The singular form of the word "fattist" is "fattist".