poison gas

noun

"poison-gas" is a 9-letter English headword indexed on PlainSpell.

The verdict

“poison gas” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A poisonous gas.

Corpus desk

Index EN-poison-gas · poison gas · English

poison gas · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

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.

Key facts for poison gas
PropertyValue
Headwordpoison gas
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “poison gas” in English

poison gasranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

poison gas is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for poison gas, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is poison gas, spelled P-O-I-S-O-N- -G-A-S.

Definition

  1. 1
    A poisonous gas.
  2. 2
    A poisonous gas.

Recorded use

Wiktionary example

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

  1. [...] approximately 23,000 members of the L.M.S.R. staff were trained in methods approved by the Home Office for dealing with the consequences of an air raid, including the effects of poison gas and incendiary bombs.

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

How do you spell "poison gas"?
"poison gas" is spelled P-O-I-S-O-N- -G-A-S.
What does "poison gas" mean?
As a noun, "poison gas" means: A poisonous gas.
What language does "poison gas" come from?
"poison gas" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

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

Source: FrequencyWords open word-frequency list