aperture

/ˈap.ə.t͡ʃə/

//ˈap.ə.t͡ʃə// noun

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

"aperture" is a 8-letter English headword indexed on PlainSpell.

The verdict

“aperture” has 11 generated spelling variants in the English index at frequency #15,569. The variants make it a useful spelling check.

#15,569
frequency rank, English
3,931
“A” headwords
11
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A small or narrow opening, gap, slit, or hole.

Corpus desk

Index EN-aperture · aperture · English

aperture · rank #15,569 · 11 variants · 0 confusables

  • FREQ-MID #15,569
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-MID 11 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH anomaly

Nearest frequency peer: anomaly (-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 “aperture”

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

corpus weight

What this shows “aperture” 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
Key facts for aperture
PropertyValue
Headwordaperture
LanguageEnglish
Part of speechNoun
IPA/ˈap.ə.t͡ʃə/
Letters8
Frequency rank#15,569
Misspellings tracked11
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “aperture”

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).aperturelands 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 “anomaly” (#15,568), “analyse” (#15,567), “apprenticeship” (#15,571). Among 3,931 “A” headwords, “aperture” is #15,569. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 11 spelling variants around aperture (IPA /ˈap.ə.t͡ʃə/), anoun. Corpus frequency is #15,569 among 3,931 “A” headwords. Wiktionary lists 5 senses, so context still picks the gloss.

Our generated misspelling index lists 11 likely wrong-spelling variants for aperture, with forms such as "aeprture", "aperrture", and "apertrue". 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. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From late Middle English, from Latin apertūra (“an opening”), from aperiō (“to uncover, make or lay bare”) + -tūra (“-ure”, action noun suffix). Doublet of overture. The correct English form is aperture, spelled A-P-E-R-T-U-R-E.

Definition

  1. 1
    A small or narrow opening, gap, slit, or hole.
  2. 2
    A hole which restricts the diameter of the lightpath through one plane in an optical system.
  3. 3
    A hole which restricts the diameter of the lightpath through one plane in an optical system.
  4. 4
    The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array.
  5. 5
    The maximum angle between the two generatrices.

Recorded use

Wiktionary examples

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

  1. an aperture in a wall
  2. Were the larynx of the little creature like that of the parent, the milk might—probably would—enter the windpipe and cause suffocation : but the fœtal larynx is cone-shaped, with the opening at the apex, which projects, as in the whale-tribe, into the back aperture of the nostrils, where it is closely embraced by muscles of the ‘soft palate.’

Etymology

From late Middle English, from Latin apertūra (“an opening”), from aperiō (“to uncover, make or lay bare”) + -tūra (“-ure”, action noun suffix). Doublet of overture.

This word in other languages

abertura(Español)ouverture(Français)Öffnung(Deutsch)abertura(Português)

Common misspellings

Also misspelled as:

  • aeprture
  • aperrture
  • apertrue
  • apertture
  • apertuer
  • aperturre
  • aperutre
  • apetrure
  • apperture
  • apreture
  • paerture

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of aperture - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

aeprture2aperrture1apertrue2apertture1apertuer2aperturre1aperutre2apetrure2
Edit distance from "aperture"

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 "aperture"?
"aperture" is spelled A-P-E-R-T-U-R-E. The IPA pronunciation is /ˈap.ə.t͡ʃə/.
What does "aperture" mean?
As a noun, "aperture" means: A small or narrow opening, gap, slit, or hole.
What are common misspellings of "aperture"?
Common misspellings include "aeprture", "aperrture", "apertrue", "apertture", "apertuer". The correct spelling is "aperture".
How do you pronounce "aperture"?
The IPA (International Phonetic Alphabet) transcription for "aperture" is /ˈap.ə.t͡ʃə/. 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 "aperture"?
From late Middle English, from Latin apertūra (“an opening”), from aperiō (“to uncover, make or lay bare”) + -tūra (“-ure”, action noun suffix). Doublet of overture. 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 "aperture", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

alleging#15,564Achilles#15,559coupling#15,593urgently#15,544

Similar misspelling depth

Headwords with a similar count of attested misspellings (11 here; floor ≥5).

benches11 variantsblinded11 variantsbreadth11 variantswrestle11 variants

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

Source: FrequencyWords open word-frequency list