diffraction

/dɪˈfɹækʃən/

//dɪˈfɹækʃən// noun

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

"diffraction" is a 11-letter English headword indexed on PlainSpell.

The verdict

“diffraction” has 16 generated spelling variants in the English index at frequency #27,123. The variants make it a useful spelling check.

#27,123
frequency rank, English
3,470
“D” headwords
16
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The bending of a wave around an obstacle.

Corpus desk

Index EN-diffraction · diffraction · English

diffraction · rank #27,123 · 16 variants · 1 confusable

  • FREQ-MID #27,123
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 16 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH dilapidated

Nearest frequency peer: dilapidated (+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 “diffraction”

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

corpus weight

What this shows “diffraction” 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).

diffraction vs distraction
82% similar

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

Key facts for diffraction
PropertyValue
Headworddiffraction
LanguageEnglish
Part of speechNoun
IPA/dɪˈfɹækʃən/
Letters11
Frequency rank#27,123
Misspellings tracked16
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “diffraction”

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).diffractionlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “dilapidated” (#27,124), “Devlin” (#27,121), “dismissive” (#27,125). Among 3,470 “D” headwords, “diffraction” is #27,123. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around diffraction (IPA /dɪˈfɹækʃən/), anoun. Corpus frequency is #27,123 among 3,470 “D” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for diffraction, with forms such as "ddiffraction", "dfifraction", and "diffarction". 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 1 confusable-pair relationship, "distraction", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From New Latin diffrāctiō (in which coined by Francesco Maria Grimaldi), from Latin diffrāctus, past participle of Latin diffringo (“to shatter, to break into pieces”). Coined in Physico-mathesis de lumine (1665) by Francesco Maria Grimaldi. The correct English form is diffraction, spelled D-I-F-F-R-A-C-T-I-O-N.

Definition

  1. 1
    The bending of a wave around an obstacle.
  2. 2
    The breaking up of an electromagnetic wave as it passes a geometric structure (e.g. a slit), followed by reconstruction of the wave by interference.

Etymology

From New Latin diffrāctiō (in which coined by Francesco Maria Grimaldi), from Latin diffrāctus, past participle of Latin diffringo (“to shatter, to break into pieces”). Coined in Physico-mathesis de lumine (1665) by Francesco Maria Grimaldi.

This word in other languages

difracción(Español)diffraction(Français)Beugung(Deutsch)

Common misspellings

Also misspelled as:

  • ddiffraction
  • dfifraction
  • diffarction
  • diffracction
  • diffraciton
  • diffracsion
  • diffractino
  • diffractionn
  • diffractoin
  • diffracttion
  • diffratcion
  • diffrcation
  • diffrraction
  • difraction
  • difrfaction
  • idffraction

Misspelling Pattern Breakdown

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

ddiffraction1dfifraction2diffarction2diffracction1diffraciton2diffracsion1diffractino2diffractionn1
Edit distance from "diffraction"

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 "diffraction"?
"diffraction" is spelled D-I-F-F-R-A-C-T-I-O-N. The IPA pronunciation is /dɪˈfɹækʃən/.
What does "diffraction" mean?
As a noun, "diffraction" means: The bending of a wave around an obstacle.
What words are commonly confused with "diffraction"?
"diffraction" is commonly confused with "distraction". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "diffraction"?
The IPA (International Phonetic Alphabet) transcription for "diffraction" is /dɪˈfɹækʃən/. 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 "diffraction"?
From New Latin diffrāctiō (in which coined by Francesco Maria Grimaldi), from Latin diffrāctus, past participle of Latin diffringo (“to shatter, to break into pieces”). Coined in Physico-mathesis de lumine (1665) by Francesco Maria Grimaldi. 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 "diffraction", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

dilapidated#27,124defenseless#27,115contentment#27,097conservancy#27,096

Similar misspelling depth

Headwords with a similar count of attested misspellings (16 here; floor ≥5).

confessional16 variantsantichrist16 variantsmaterialism16 variantsmotherland16 variants

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

Source: FrequencyWords open word-frequency list