How to spell UUGH correctly?

If you meant to say "ugh", try swapping the two Us for an O. Alternatively, try adding an H to make it "ughh". If you were aiming for "ughh", make sure to add a second H at the end. An easier solution may be to avoid the issue altogether and use an alternative expression.

• Hugh Hugh had always dreamed of becoming a professional athlete.
• Pugh
• Ugh Ugh, I hate this rainy weather.

Putrefication

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