nervous system
"nervous-system" is a 13-letter English headword indexed on PlainSpell.
The verdict
“nervous system” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 14
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An organ system whose principal constituent is nervous tissue that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses, and initiates acti...
| Property | Value |
|---|---|
| Headword | nervous system |
| Language | English |
| Part of speech | Noun |
| Letters | 14 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “nervous system” sits in English frequency
Rare enough to double-check
nervous system is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An organ system whose principal constituent is nervous tissue that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses, and initiates acti...".
No misspelling variants are generated for nervous system in our index, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: 1703, nervous + system. The correct English form is nervous system, spelled N-E-R-V-O-U-S- -S-Y-S-T-E-M.
Definition
- 1An organ system whose principal constituent is nervous tissue that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses, and initiates actions.
Etymology
1703, nervous + system.
Synonyms
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). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “nervous system”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is N-E-R-V-O-U-S- -S-Y-S-T-E-M - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.