How to spell COURTYAR correctly?

One possible correct suggestion for the misspelling "courtyar" could be "courtyard". Other potential options could include "courtier", "courty" or "courtyards" depending on the intended meaning and context.

• courtier The courtier presented a proposal to the king for the construction of a new palace.
• courtyard The courtyard is in the middle of the garden.

Putrefication

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