How to spell DECISSER correctly?

Possible correct suggestions for the misspelling "Decisser" could be "Decisive", "Desiccate", "Decipher" or "Discern". It is important to consider the context in which the word is being used and the intended meaning to choose the correct spelling.

• Decider The decider of the football match was a penalty shootout.
• Decipher I cannot decipher this old handwriting.
• Demister The driver turned on the demister to clear the fog from the windshield.

Excatally

• exact
• exacted
• exactingly
• exactly
• exacts
• executable
• exotically
• extol
• inexactly
• oxtail