nitrous
/ˈnaɪtɹəs/
"nitrous" is a 7-letter English headword indexed on PlainSpell.
The verdict
“nitrous” is a moderately-common English word, ranked #30,513 in English word frequency and used as an adjective.
- #30,513
- frequency rank, English
- 7
- letters
- 10
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Pertaining to or composed of nitre; having the properties of nitre, bitter.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | nitrous |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈnaɪtɹəs/ |
| Letters | 7 |
| Frequency rank | #30,513 |
| Misspellings tracked | 10 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “nitrous” sits in English frequency
Spelling & Dictionary Insight
The English entry for nitrous is 7 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈnaɪtɹəs/. Corpus data places it at rank #30,513 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 10 likely wrong-spelling variants for nitrous, with forms such as "introus", "nirtous", and "nitorus". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 1 confusable-pair relationship, "nitro", a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: From Middle French nitreux, and its source, Latin nitrōsus (“nitrose”). Doublet of nitroso. By surface analysis, nitro- + -ous. The correct English form is nitrous, spelled N-I-T-R-O-U-S.
Definition
- 1Pertaining to or composed of nitre; having the properties of nitre, bitter.
- 2Of, relating to, or derived from nitrogen, especially in which the valence of the nitrogen is lower than that of a corresponding nitric species.
- 3Of or relating to nitrous acid or its derivatives.
- 4Having a sharp odor like ammonia or nitric acid.
Etymology
From Middle French nitreux, and its source, Latin nitrōsus (“nitrose”). Doublet of nitroso. By surface analysis, nitro- + -ous.
This word in other languages
Common misspellings
Also misspelled as: introus,nirtous,nitorus,nitrosu,nitrouss,nitrrous,nitruos,nittrous,nnitrous,ntirous
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of nitrous - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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
How do you spell "nitrous"?
What does "nitrous" mean?
What words are commonly confused with "nitrous"?
How do you pronounce "nitrous"?
What is the origin of the word "nitrous"?
Is PlainSpell free to use?
Using “nitrous”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is N-I-T-R-O-U-S - every other letter order is a misspelling in standard orthography.
- Say it as /ˈnaɪtɹəs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “nitro” - see the side-by-side comparison. nitrous vs nitro
- 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.