How to spell DEFERRRED correctly?

One possible correct suggestion for the misspelling "deferrred" is "deferred". The extra 'r' is redundant and should be removed. "Deferred" means to postpone or delay, and is commonly used in business or academic contexts.

• deferred I have deferred my plans to attend graduate school this year.
• Deterred
• Referred He referred his friend to a good mechanic for the car repair.

Putrefication

• nitrification
• petrifaction
• purification
• putrefaction
• putrification
• vitrification