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allopregnanolone

noun

allopregnanolone is spelled A-L-L-O-P-R-E-G-N-A-N-O-L-O-N-E. The wrong spelling people search most is allopregnanalone: about 10 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 20 of all searches for the word. Allopregnanolone is a noun meaning “A neurosteroid that is a metabolite of progesterone”.

How many letters and syllables are in allopregnanolone?

Letters16: A-L-L-O-P-R-E-G-N-A-N-O-L-O-N-E
In writingabout once in every 49 million words; the 217,360th most frequent word form
Wrong spellings searched1; the most searched, allopregnanalone, about 10 Bing searches a month (all of them)

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).

How do you spell allopregnanolone?

Allopregnanolone is spelled A-L-L-O-P-R-E-G-N-A-N-O-L-O-N-E. One wrong spelling is searched or written often enough to measure; together they are about 1 in 20 of the searches for allopregnanolone in either form.

allopregnanolonethe right spelling190 searches a month
allopregnanalonea in place of o10 searches a month

Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.

How common is allopregnanolone?

Allopregnanolone appears about once in every 49 million words in written English, the 217,360th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

What does allopregnanolone mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    A neurosteroid that is a metabolite of progesterone

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Allopregnanolone in Spanish, French, German and Portuguese

In the sense a neurosteroid that is a metabolite of progesterone:

LanguageWords
Portuguesealopregnanolona

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does allopregnanolone come from?

From allo- + pregnanolone.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after allopregnanolone