How many letters does the top answer for “partial displacement of a joint or organ” have?

The most common answer is subluxation (11 letters).

Crossword clue: partial displacement of a joint or organ

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

subluxation 11 letters wn-def

partial displacement of a joint or organ

displacement or misalignment of a joint or organ 60% similar → luxation