How many letters does the top answer for “an agent (physical or chemical) that inactivates or destroys viruses” have?

The most common answer is viricide (8 letters).

Crossword clue: an agent (physical or chemical) that inactivates or destroys viruses

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

viricide 8 letters wn-def

an agent (physical or chemical) that inactivates or destroys viruses

virucide 8 letters wn-def

an agent (physical or chemical) that inactivates or destroys viruses