How many letters does the top answer for “sediment that has settled at the bottom of a liquid” have?

The most common answer is dregs (5 letters).

Crossword clue: sediment that has settled at the bottom of a liquid

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

dregs 5 letters wn-def

sediment that has settled at the bottom of a liquid

settlings 9 letters wn-def

sediment that has settled at the bottom of a liquid