How many letters does the top answer for “surgical removal of one or both adrenal glands” have?

The most common answer is adrenalectomy (13 letters).

Crossword clue: surgical removal of one or both adrenal glands

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

adrenalectomy 13 letters wn-def

surgical removal of one or both adrenal glands

surgical removal of one of both ovaries 57% similar → oophorectomy, ovariectomy

surgical removal of one or both testicles 57% similar → orchidectomy, orchiectomy

surgical removal of one or both fallopian tubes 50% similar → salpingectomy