• nethiocarb,
• kethiocarb,
• jethiocarb,
• mwthiocarb,
• msthiocarb,
• mdthiocarb,
• mrthiocarb,
• m4thiocarb,
• m3thiocarb,
• merhiocarb,
• mefhiocarb,
• meghiocarb,
• meyhiocarb,
• methocarb,
• methicarb,
• methiocab,
• Methiocrub,
• Metheocarb,
• Methecarb,
• Methicarab

The adjective form of the word "Methiocarb" is "methiocarbous".

The plural form of the word "Methiocarb" is also "Methiocarbs".

The singular form of the word "Methiocarb" remains the same, as it is already a singular noun. It is the name of a specific chemical compound and does not change when used as a singular noun.