asthma

/ˈasmə/

//ˈasmə// noun

"asthma" is a 6-letter English headword indexed on PlainSpell.

The verdict

“asthma” has 9 generated spelling variants in the English index at frequency #10,650. The variants make it a useful spelling check.

#10,650
frequency rank, English
3,931
“A” headwords
9
tracked misspellings
5
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A long-term respiratory condition, in which the airways may unexpectedly and suddenly narrow, often in response to an allergen, cold air, exercise, or emotional stress. Symptoms include wheezing, s...

Corpus desk

Index EN-asthma · asthma · English

asthma · rank #10,650 · 9 variants · 5 confusables

  • FREQ-MID #10,650
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-MID 5 pairs
  • VAR-MID 9 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH arose

Nearest frequency peer: arose (-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 “asthma”

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

corpus weight

What this shows “asthma” 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).

asthma vs ASTM
0% similar
asthma vs Asha
50% similar
asthma vs Asta
50% similar

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

Key facts for asthma
PropertyValue
Headwordasthma
LanguageEnglish
Part of speechNoun
IPA/ˈasmə/
Letters6
Frequency rank#10,650
Misspellings tracked9
Confusable pairs5
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “asthma”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).asthmalands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “arose” (#10,649), “aurora” (#10,651), “Arlington” (#10,648). Among 3,931 “A” headwords, “asthma” is #10,650. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 9 spelling variants around asthma (IPA /ˈasmə/), anoun. Corpus frequency is #10,650 among 3,931 “A” headwords. Dominant gloss: "A long-term respiratory condition, in which the airways may unexpectedly and suddenly narrow, often in response to an allergen, cold air, exercise, or emotional stress. Symptoms include wheezing, s...".

Our generated misspelling index lists 9 likely wrong-spelling variants for asthma, with forms such as "ashtma", "assthma", and "astham". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 5 confusable-pair relationships, "ASTM", "Asha", "Asta", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English asma, asme, from Medieval Latin asthma, asma, from Ancient Greek ἆσθμα (âsthma, “laborious breathing, asthma”). The spelling was changed to add -th- in the 16th century to match the Greek etymological roots. The correct English form is asthma, spelled A-S-T-H-M-A.

Definition

  1. 1
    A long-term respiratory condition, in which the airways may unexpectedly and suddenly narrow, often in response to an allergen, cold air, exercise, or emotional stress. Symptoms include wheezing, shortness of breath, chest tightness, and coughing.

Recorded use

Wiktionary examples

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

  1. ...but rheumatism is a vulgar complaint, and would sink even a ducal coronet—the very lowest people have it. I question if there is a workhouse in Great Britain exempt from it. Neither is there one free from asthma, and yet all the world knows a royal duke suffers from it as much as a coalheaver might do;...
  2. "He kind of spat," said Piggy. "My auntie wouldn't let me blow on account of my asthma. He said you blew from down here." Piggy laid a hand on his jutting abdomen.

Etymology

From Middle English asma, asme, from Medieval Latin asthma, asma, from Ancient Greek ἆσθμα (âsthma, “laborious breathing, asthma”). The spelling was changed to add -th- in the 16th century to match the Greek etymological roots.

This word in other languages

Common misspellings

Also misspelled as:

  • ashtma
  • assthma
  • astham
  • asthhma
  • asthmma
  • astmha
  • astthma
  • atshma
  • sathma

Misspelling Pattern Breakdown

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

ashtma2assthma1astham2asthhma1asthmma1astmha2astthma1atshma2
Edit distance from "asthma"

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 "asthma"?
"asthma" is spelled A-S-T-H-M-A. The IPA pronunciation is /ˈasmə/.
What does "asthma" mean?
As a noun, "asthma" means: A long-term respiratory condition, in which the airways may unexpectedly and suddenly narrow, often in response to an allergen, cold air, exercise, or emotional stress. Symptoms include wheezing, s...
What words are commonly confused with "asthma"?
"asthma" is commonly confused with "ASTM", "Asha", "Asta". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "asthma"?
The IPA (International Phonetic Alphabet) transcription for "asthma" is /ˈasmə/. 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 "asthma"?
From Middle English asma, asme, from Medieval Latin asthma, asma, from Ancient Greek ἆσθμα (âsthma, “laborious breathing, asthma”). The spelling was changed to add -th- in the 16th century to match the Greek etymological roots. 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 "asthma", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (9 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list