neuropeptide
"neuropeptide" is a 12-letter English headword indexed on PlainSpell.
The verdict
“neuropeptide” is uncommon English (frequency #94,046 among 24,391 “N” headwords), classed as a noun. The kind of spelling people second-guess.
- #94,046
- frequency rank, English
- 24,391
- “N” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of several peptides, such as endorphins, that function as neurotransmitters.
| Property | Value |
|---|---|
| Headword | neuropeptide |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #94,046 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “neuropeptide” sits in English frequency
Rare enough to double-check
neuropeptide is uncommon English at frequency #94,046 among 24,391 “N” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any of several peptides, such as endorphins, that function as neurotransmitters.".
We couldn't generate a plausible misspelling set for neuropeptide, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From neuro- + peptide. The correct English form is neuropeptide, spelled N-E-U-R-O-P-E-P-T-I-D-E.
Definition
- 1Any of several peptides, such as endorphins, that function as neurotransmitters.
Etymology
From neuro- + peptide.
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 “neuropeptide”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is N-E-U-R-O-P-E-P-T-I-D-E - every other letter order is a misspelling in standard orthography.
- 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.