How many letters does the top answer for “surface layer of ground containing a mat of grass and grass roots” have?

The most common answer is greensward (10 letters).

Crossword clue: surface layer of ground containing a mat of grass and grass roots

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

greensward 10 letters wn-def

surface layer of ground containing a mat of grass and grass roots

sod 3 letters wn-def

surface layer of ground containing a mat of grass and grass roots

sward 5 letters wn-def

surface layer of ground containing a mat of grass and grass roots

turf 4 letters wn-def

surface layer of ground containing a mat of grass and grass roots