How many letters does the top answer for “a grass used for making ropes or for plaiting, esp. agrostis spica-ventis. shelley.” have?

The most common answer is windlestrae (11 letters).

Crossword clue: a grass used for making ropes or for plaiting, esp. agrostis spica-ventis. shelley.

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

windlestrae 11 letters web-def

A grass used for making ropes or for plaiting, esp. Agrostis Spica-ventis. [Prov. Eng. & Scot.] Shelley.

windlestraw 11 letters web-def

A grass used for making ropes or for plaiting, esp. Agrostis Spica-ventis. [Prov. Eng. & Scot.] Shelley.