How to spell ALEVELS correctly?

If you meant to type "alevels" but it turned out misspelled, here are some possible correct suggestions: A-levels or A Levels.

• a level
• elevens The clock struck elevens and everyone in the room immediately started packing up their belongings to leave.
• levels She checked the levels of the ingredients before starting to bake the cake.

Putrefication

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