How many letters does the top answer for “incapable of being repudiated or transferred to another” have?

The most common answer is inalienable (11 letters).

Crossword clue: incapable of being repudiated or transferred to another

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

inalienable 11 letters wn-def

incapable of being repudiated or transferred to another

unalienable 11 letters wn-def

incapable of being repudiated or transferred to another

incapable of being transferred 60% similar → nontransferable, unassignable, untransferable