nitrous

/ˈnaɪtɹəs/

//ˈnaɪtɹəs// adj

By · According to Wiktionary data (CC BY-SA) ·

"nitrous" is a 7-letter English headword indexed on PlainSpell.

The verdict

“nitrous” has 10 generated spelling variants in the English index at frequency #30,513. The variants make it a useful spelling check.

#30,513
frequency rank, English
1,534
“N” headwords
10
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Pertaining to or composed of nitre; having the properties of nitre, bitter.

Corpus desk

Index EN-nitrous · nitrous · English

nitrous · rank #30,513 · 10 variants · 1 confusable

  • FREQ-MID #30,513
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 10 variants
  • BOOK-MID 1,534
  • PHOTO-FINISH Northamptonsh…

Nearest frequency peer: Northamptonshire (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “nitrous”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “nitrous” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

nitrous vs nitro
71% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for nitrous
PropertyValue
Headwordnitrous
LanguageEnglish
Part of speechAdjective
IPA/ˈnaɪtɹəs/
Letters7
Frequency rank#30,513
Misspellings tracked10
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “nitrous”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).nitrouslands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Northamptonshire” (#30,514), “obstructive” (#30,515), “naught” (#30,510). Among 1,534 “N” headwords, “nitrous” is #30,513. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around nitrous (IPA /ˈnaɪtɹəs/), anadjective. Corpus frequency is #30,513 among 1,534 “N” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

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

  1. 1
    Pertaining to or composed of nitre; having the properties of nitre, bitter.
  2. 2
    Of, relating to, or derived from nitrogen, especially in which the valence of the nitrogen is lower than that of a corresponding nitric species.
  3. 3
    Of or relating to nitrous acid or its derivatives.
  4. 4
    Having a sharp odor like ammonia or nitric acid.

Recorded use

Wiktionary examples

These source excerpts show how nitrous appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Whate'er the wintry Frost Nitrous prepar'd; the various-blossom'd Spring Put in white Promise forth; and Summer-Suns Concocted strong, rush boundless now to View […].
  2. In fact, nitric oxide (not to be confused with nitrous oxide, or laughing gas) is one of our primary signalling molecules.

Etymology

From Middle French nitreux, and its source, Latin nitrōsus (“nitrose”). Doublet of nitroso. By surface analysis, nitro- + -ous.

This word in other languages

nitreux(Français)

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.

introus2nirtous2nitorus2nitrosu2nitrouss1nitrrous1nitruos2nittrous1
Edit distance from "nitrous"

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"?
"nitrous" is spelled N-I-T-R-O-U-S. The IPA pronunciation is /ˈnaɪtɹəs/.
What does "nitrous" mean?
As an adjective, "nitrous" means: Pertaining to or composed of nitre; having the properties of nitre, bitter.
What words are commonly confused with "nitrous"?
"nitrous" is commonly confused with "nitro". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "nitrous"?
The IPA (International Phonetic Alphabet) transcription for "nitrous" is /ˈnaɪtɹəs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "nitrous"?
From Middle French nitreux, and its source, Latin nitrōsus (“nitrose”). Doublet of nitroso. By surface analysis, nitro- + -ous. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "nitrous", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

misread#30,504McClure#30,497paprika#30,529peeking#30,532

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

overpass10 variantsPfeiffer10 variantsprofane10 variantsreaping10 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list