How many letters does the top answer for “another word for decryption” have?

The most common answer is decipherment (12 letters).

Crossword clue: another word for decryption

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

decipherment 12 letters gen-syn

the activity of making clear or converting from code into plain text

decoding 8 letters gen-syn

the activity of making clear or converting from code into plain text

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase