How many letters does the top answer for “another word for estrone” have?

The most common answer is oestrone (8 letters).

Crossword clue: another word for estrone

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

oestrone 8 letters gen-syn

a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and use

theelin 7 letters gen-syn

a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and use

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase