ammonia

/əˈməʊ.nɪ.ə/

//əˈməʊ.nɪ.ə// noun

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

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

The verdict

“ammonia” has 7 generated spelling variants in the English index at frequency #18,007. The variants make it a useful spelling check.

#18,007
frequency rank, English
3,931
“A” headwords
7
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A gaseous, toxic compound of hydrogen and nitrogen, NH₃, with a pungent smell and taste.

Corpus desk

Index EN-ammonia · ammonia · English

ammonia · rank #18,007 · 7 variants · 3 confusables

  • FREQ-MID #18,007
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 3 pairs
  • VAR-MID 7 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH analogous

Nearest frequency peer: analogous (+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 “ammonia”

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

corpus weight

What this shows “ammonia” 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).

ammonia vs Armenia
57% similar
ammonia vs Antonia
57% similar
ammonia vs ammonium
75% similar

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

Key facts for ammonia
PropertyValue
Headwordammonia
LanguageEnglish
Part of speechNoun
IPA/əˈməʊ.nɪ.ə/
Letters7
Frequency rank#18,007
Misspellings tracked7
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “ammonia”

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).ammonialands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “analogous” (#18,008), “afterlife” (#18,005), “anarchist” (#18,009). Among 3,931 “A” headwords, “ammonia” is #18,007. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 7 spelling variants around ammonia (IPA /əˈməʊ.nɪ.ə/), anoun. Corpus frequency is #18,007 among 3,931 “A” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 7 likely wrong-spelling variants for ammonia, with forms such as "ammnoia", "ammoina", and "ammonai". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 3 confusable-pair relationships, "Armenia", "Antonia", "ammonium", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Etymology tree Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia From Latin sal ammoniacus (“salt of Amun, ammonium chloride”), named so because it was found near the temple of (Jupiter) Ammon in Egypt. Ammo… The correct English form is ammonia, spelled A-M-M-O-N-I-A.

Definition

  1. 1
    A gaseous, toxic compound of hydrogen and nitrogen, NH₃, with a pungent smell and taste.
  2. 2
    A solution of this compound in water used domestically as a cleaning fluid.

Recorded use

Wiktionary examples

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

  1. Never use ammonia to clean metal writing pens.
  2. Slowly we rode down to the camp - a very sorrowful party. We took "Nep" straight to the surgery, where the doctor instantly applied injections of ammonia, then the new remedy for snake bite.

Etymology

Etymology tree Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia From Latin sal ammoniacus (“salt of Amun, ammonium chloride”), named so because it was found near the temple of (Jupiter) Ammon in Egypt. Ammon derives from Ancient Greek Ἄμμων (Ámmōn), from Egyptian jmn (i-mn:n-A4).

Synonyms

spirits of hartshornvolatile alkali

This word in other languages

amoníaco(Español)ammoniaque(Français)Ammoniak(Deutsch)amoníaco(Português)

Common misspellings

Also misspelled as:

  • ammnoia
  • ammoina
  • ammonai
  • ammonnia
  • amomnia
  • amonia
  • mamonia

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ammonia - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ammnoia2ammoina2ammonai2ammonnia1amomnia2amonia1mamonia2
Edit distance from "ammonia"

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 "ammonia"?
"ammonia" is spelled A-M-M-O-N-I-A. The IPA pronunciation is /əˈməʊ.nɪ.ə/.
What does "ammonia" mean?
As a noun, "ammonia" means: A gaseous, toxic compound of hydrogen and nitrogen, NH₃, with a pungent smell and taste.
What words are commonly confused with "ammonia"?
"ammonia" is commonly confused with "Armenia", "Antonia", "ammonium". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "ammonia"?
The IPA (International Phonetic Alphabet) transcription for "ammonia" is /əˈməʊ.nɪ.ə/. 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 "ammonia"?
Etymology tree Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia From Latin sal ammoniacus (“salt of Amun, ammonium chloride”), named so because it was found near the temple of (Jupiter) Ammon in E... 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 "ammonia", not the corpus desk frequency band.

Same letter count

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

archaic#18,016Assange#18,017baffled#18,021unheard#17,988

Similar misspelling depth

Headwords with a similar count of attested misspellings (7 here; floor ≥5).

apron7 variantswoken7 variantsavant7 variantsBaird7 variants

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

Source: FrequencyWords open word-frequency list