pleiotropy
/plaɪˈɒtɹəpi/noun
pleiotropy is spelled P-L-E-I-O-T-R-O-P-Y. The wrong spelling people search most is pleotrophy: about 10 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 74 of all searches for the word. Pleiotropy is a noun meaning “The influence of a single gene on multiple phenotypic traits; pleiotropism”. The plural of pleiotropy is pleiotropies.
How many letters and syllables are in pleiotropy?
| Letters | 10: P-L-E-I-O-T-R-O-P-Y |
|---|---|
| In writing | about once in every 58 million words; the 237,177th most frequent word form |
| Wrong spellings searched | 1; the most searched, pleotrophy, 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 pleiotropy?
Pleiotropy is spelled P-L-E-I-O-T-R-O-P-Y. One wrong spelling is searched or written often enough to measure; together they are about 1 in 74 of the searches for pleiotropy in either form.
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 pleiotropy?
Pleiotropy appears about once in every 58 million words in written English, the 237,177th 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).
How do you pronounce pleiotropy?
- /plaɪˈɒtɹəpi/
- /plaɪˈɑtɹəpi/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-pleiotropy.wav, Wikimedia Commons (author and licence on each file's page).
Forms of pleiotropy
- pleiotropies plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does pleiotropy mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The influence of a single gene on multiple phenotypic traits; pleiotropism.
- 2
The existence of drug effects (especially beneficial effects) other than the one for which the drug was designed.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does pleiotropy come from?
Coined by German zoologist Ludwig Plate in 1910, from Ancient Greek πλείων (pleíōn) + -tropy; by surface analysis, pleio- + -tropy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).