How many letters does the top answer for “relating to a member.” have?

The most common answer is membral (7 letters).

Crossword clue: relating to a member.

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

membral 7 letters web-def

Relating to a member.

of or relating to words 50% similar → lexical

relating to human society and its members 50% similar → social, societal