prostaglandin
/pɹɒstəˈɡlændɪn/
"prostaglandin" is a 13-letter English headword indexed on PlainSpell.
The verdict
“prostaglandin” is uncommon English (frequency #66,219 among 46,516 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #66,219
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of a group of naturally occurring lipids derived from the C₂₀ acid prostanoic acid; they have a number of physiological functions and may be considered to be hormones.
| Property | Value |
|---|---|
| Headword | prostaglandin |
| Language | English |
| Part of speech | Noun |
| IPA | /pɹɒstəˈɡlændɪn/ |
| Letters | 13 |
| Frequency rank | #66,219 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “prostaglandin” sits in English frequency
Rare enough to double-check
prostaglandin is uncommon English at frequency #66,219 among 46,516 “P” headwords, classed as anoun, transcribed /pɹɒstəˈɡlændɪn/. Rarity is why readers land here mid-draft. Gloss: "Any of a group of naturally occurring lipids derived from the C₂₀ acid prostanoic acid; they have a number of physiological functions and may be considered to be hormones.".
prostaglandin has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From German Prostaglandin. Equivalent to prosta(te) + gland + -in. So called because it was originally believed to be secreted by the prostate. The correct English form is prostaglandin, spelled P-R-O-S-T-A-G-L-A-N-D-I-N.
Definition
- 1Any of a group of naturally occurring lipids derived from the C₂₀ acid prostanoic acid; they have a number of physiological functions and may be considered to be hormones.
Etymology
From German Prostaglandin. Equivalent to prosta(te) + gland + -in. So called because it was originally believed to be secreted by the prostate.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “prostaglandin”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-R-O-S-T-A-G-L-A-N-D-I-N - every other letter order is a misspelling in standard orthography.
- Say it as /pɹɒstəˈɡlændɪn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.