• critera,
• criterea,
• criteriums,
• criteria,
• criteriall,
• criterions,
• xriterias,
• vriterias,
• friterias,
• driterias,
• ceiterias,
• cditerias,
• cfiterias,
• ctiterias,
• c5iterias,
• c4iterias,
• cruterias,
• crjterias,
• crkterias,
• croterias

• criterional,
• criterion,
• crater,
• criterial,
• critter,
• Crothers,
• crider,
• crader.

The correct adjective form of "criterias" is "criteria". The word "criteria" is already the plural form of the noun "criterion" and does not require an adjective form when used in a sentence.

The plural form of the word "criteria" is "criteria"

The singular form of the word "criterias" is "criterion"