How to spell YOUNGSET correctly?

The spelling "youngset" could possibly be corrected to either "youngest" or "youngster". "Youngest" refers to the person or thing which is the most youthful in a group, while "youngster" refers to a young person.

• youngest The youngest of the four siblings is only thirteen years old.
• youngster She's a youngster at heart.

Putrefication

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