aspirin

/ˈæsp(ɪ)ɹɪn/

//ˈæsp(ɪ)ɹɪn// noun

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

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

The verdict

“aspirin” has 10 generated spelling variants in the English index at frequency #18,487. The variants make it a useful spelling check.

#18,487
frequency rank, English
3,931
“A” headwords
10
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - an analgesic drug, acetylsalicylic acid

Corpus desk

Index EN-aspirin · aspirin · English

aspirin · rank #18,487 · 10 variants · 3 confusables

  • FREQ-MID #18,487
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 3 pairs
  • VAR-MID 10 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH ascension

Nearest frequency peer: ascension (-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 “aspirin”

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

corpus weight

What this shows “aspirin” 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).

aspirin vs aspiring
88% similar
aspirin vs aspire
71% similar
aspirin vs aspirant
75% similar

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

Key facts for aspirin
PropertyValue
Headwordaspirin
LanguageEnglish
Part of speechNoun
IPA/ˈæsp(ɪ)ɹɪn/
Letters7
Frequency rank#18,487
Misspellings tracked10
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “aspirin”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).aspirinlands 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 “ascension” (#18,486), “armoured” (#18,485), “ax” (#18,489). Among 3,931 “A” headwords, “aspirin” is #18,487. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around aspirin (IPA /ˈæsp(ɪ)ɹɪn/), anoun. Corpus frequency is #18,487 among 3,931 “A” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 10 likely wrong-spelling variants for aspirin, with forms such as "apsirin", "asiprin", and "aspiirn". 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 3 confusable-pair relationships, "aspiring", "aspire", "aspirant", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Genericized trademark of German Aspirin, from acetylierte Spirsäure (literally “acetylated spiraeic acid”). The trade name Aspirin is a registered trademark in some countries, but has entered the English language in generic usage, as various German trademar… The correct English form is aspirin, spelled A-S-P-I-R-I-N.

Definition

  1. 1
    an analgesic drug, acetylsalicylic acid
  2. 2
    a tablet containing this substance

Recorded use

Wiktionary example

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

  1. "It nearly drove me insane. I took heaven alone knows how many aspirins."

Etymology

Genericized trademark of German Aspirin, from acetylierte Spirsäure (literally “acetylated spiraeic acid”). The trade name Aspirin is a registered trademark in some countries, but has entered the English language in generic usage, as various German trademarks were nullified in the United States after World War I (see also heroin).

This word in other languages

aspirina(Español)aspirine(Français)Aspirin(Deutsch)aspirina(Português)

Common misspellings

Also misspelled as:

  • apsirin
  • asiprin
  • aspiirn
  • aspirinn
  • aspirni
  • aspirrin
  • asppirin
  • aspriin
  • asspirin
  • sapirin

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of aspirin - 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.

apsirin2asiprin2aspiirn2aspirinn1aspirni2aspirrin1asppirin1aspriin2
Edit distance from "aspirin"

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 "aspirin"?
"aspirin" is spelled A-S-P-I-R-I-N. The IPA pronunciation is /ˈæsp(ɪ)ɹɪn/.
What does "aspirin" mean?
As a noun, "aspirin" means: an analgesic drug, acetylsalicylic acid
What words are commonly confused with "aspirin"?
"aspirin" is commonly confused with "aspiring", "aspire", "aspirant". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "aspirin"?
The IPA (International Phonetic Alphabet) transcription for "aspirin" is /ˈæsp(ɪ)ɹɪn/. 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 "aspirin"?
Genericized trademark of German Aspirin, from acetylierte Spirsäure (literally “acetylated spiraeic acid”). The trade name Aspirin is a registered trademark in some countries, but has entered the English language in generic usage, as various Germa... 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 "aspirin", not the corpus desk frequency band.

Same letter count

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

angrily#18,482bearded#18,492amnesia#18,479blooded#18,501

Similar misspelling depth

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

blends10 variantscoveted10 variantscrumbs10 variantsSweeney10 variants

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

Source: FrequencyWords open word-frequency list