namespace
/ˈneɪmspeɪs/
"namespace" is a 9-letter English headword indexed on PlainSpell.
The verdict
“namespace” is uncommon English (frequency #51,272 among 24,391 “N” headwords), classed as a noun. The kind of spelling people second-guess.
- #51,272
- frequency rank, English
- 24,391
- “N” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A conceptual space that groups classes, identifiers, etc. in order to avoid conflicts with items in unrelated code that carry the same names.
| Property | Value |
|---|---|
| Headword | namespace |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈneɪmspeɪs/ |
| Letters | 9 |
| Frequency rank | #51,272 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “namespace” sits in English frequency
Rare enough to double-check
namespace is uncommon English at frequency #51,272 among 24,391 “N” headwords, classed as anoun, transcribed /ˈneɪmspeɪs/. Rarity is why readers land here mid-draft. Gloss: "A conceptual space that groups classes, identifiers, etc. in order to avoid conflicts with items in unrelated code that carry the same names.".
We couldn't generate a plausible misspelling set for namespace, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From name + space. The correct English form is namespace, spelled N-A-M-E-S-P-A-C-E.
Definition
- 1A conceptual space that groups classes, identifiers, etc. in order to avoid conflicts with items in unrelated code that carry the same names.
Etymology
From name + space.
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 “namespace”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is N-A-M-E-S-P-A-C-E - every other letter order is a misspelling in standard orthography.
- Say it as /ˈneɪmspeɪs/ (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.