How to spell PREVENTY correctly?

"Preventy" is not a known word; however, if you meant "preventive", "preventative" or "prevention", these words could be appropriate based on the context in which you plan to use them. Other suggestions could include "protective", "precautionary" or "prophylactic".

• present I bought a present for my best friend's birthday.
• prevent
• Prevented I prevented myself from eating the whole cake by only having one slice.
• prevents

Amaized

• aimed
• amassed
• amaze
• amazed
• amazes
• amerced
• amid
• amide
• amides
• amortized