How many letters does the top answer for “rendered unwholesome by contaminants and pollution” have?

The most common answer is contaminated (12 letters).

Crossword clue: rendered unwholesome by contaminants and pollution

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

contaminated 12 letters wn-def

rendered unwholesome by contaminants and pollution

polluted 8 letters wn-def

rendered unwholesome by contaminants and pollution