diaper

/ˈdaɪ(ə)pə/

//ˈdaɪ(ə)pə// noun

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

The verdict

“diaper” has 8 generated spelling variants in the English index at frequency #15,142. The variants make it a useful spelling check.

#15,142
frequency rank, English
3,470
“D” headwords
8
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An absorbent garment worn around the crotch that retains the wearer's urine and feces, often worn by a baby or young child who is not yet toilet trained, or by an adult who is incontinent or wets t...

Corpus desk

Index EN-diaper · diaper · English

diaper · rank #15,142 · 8 variants · 20 confusables

  • FREQ-MID #15,142
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 8 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH derrick

Nearest frequency peer: derrick (-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 “diaper”

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

corpus weight

What this shows “diaper” 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).

diaper vs diner
67% similar
diaper vs diver
67% similar
diaper vs duper
67% similar

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

Key facts for diaper
PropertyValue
Headworddiaper
LanguageEnglish
Part of speechNoun
IPA/ˈdaɪ(ə)pə/
Letters6
Frequency rank#15,142
Misspellings tracked8
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “diaper”

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).diaperlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “derrick” (#15,141), “differentiation” (#15,143), “Cub” (#15,140). Among 3,470 “D” headwords, “diaper” is #15,142. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around diaper (IPA /ˈdaɪ(ə)pə/), anoun. Corpus frequency is #15,142 among 3,470 “D” headwords. Wiktionary lists 7 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for diaper, with forms such as "daiper", "ddiaper", and "diaepr". 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 20 confusable-pair relationships, "diner", "diver", "duper", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English dyaper, diapre, dyapre, from Old French diapre, dyapre, a variant of dyaspre, diaspre (“ornamental silk cloth embellished with floral or decorative geometrical patterns”), from Medieval Latin diaspra, diasprum (“a type of rich, valuable … The correct English form is diaper, spelled D-I-A-P-E-R.

Definition

  1. 1
    An absorbent garment worn around the crotch that retains the wearer's urine and feces, often worn by a baby or young child who is not yet toilet trained, or by an adult who is incontinent or wets the bed, or under extreme working conditions without access to a toilet; a nappy.
  2. 2
    A textile fabric having a repeating pattern, especially of diamonds or flowers, formed by alternating directions of thread.
  3. 3
    Something that absorbs and collects (retains) liquid or waste material, much like a diaper (noun sense 1).
  4. 4
    A piece of clothing that resembles the shape of a diaper (noun sense 1) but lacks the absorbency.
  5. 5
    A repeating geometrical or (often stylised) floral pattern, usually of small diamonds evenly spaced, that decorates a flat surface, sometimes in bas-relief; diaperwork.
  6. 6
    A repeating geometrical or floral pattern, used to cover the surface of a shield and forming the ground for any charges.
  7. 7
    A towel, napkin or tablecloth made from the diaper fabric (noun sense 2).

Recorded use

Wiktionary examples

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

  1. cloth diaper, disposable diaper, nighttime diaper, swim diaper
  2. A bag of baby-clothes, containing 1 ſheet, 1 ſhi[r]t, 1 bedgown, 12 diapers, 2 child's bedgowns, 2 child's ſhirts, 2 child's robes, 2 child's nightcaps and a wrapper.

Etymology

From Middle English dyaper, diapre, dyapre, from Old French diapre, dyapre, a variant of dyaspre, diaspre (“ornamental silk cloth embellished with floral or decorative geometrical patterns”), from Medieval Latin diaspra, diasprum (“a type of rich, valuable silken cloth”), probably from Byzantine Greek δίασπρος (díaspros, “very white; pure white”, adjective), from δια- (dia-, “across”) + ἄσπρος (áspros, “white”).

Synonyms

This word in other languages

Common misspellings

Also misspelled as:

  • daiper
  • ddiaper
  • diaepr
  • diaperr
  • diapper
  • diapre
  • dipaer
  • idaper

Misspelling Pattern Breakdown

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

daiper2ddiaper1diaepr2diaperr1diapper1diapre2dipaer2idaper2
Edit distance from "diaper"

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 "diaper"?
"diaper" is spelled D-I-A-P-E-R. The IPA pronunciation is /ˈdaɪ(ə)pə/.
What does "diaper" mean?
As a noun, "diaper" means: An absorbent garment worn around the crotch that retains the wearer's urine and feces, often worn by a baby or young child who is not yet toilet trained, or by an adult who is incontinent or wets t...
What words are commonly confused with "diaper"?
"diaper" is commonly confused with "diner", "diver", "duper". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "diaper"?
The IPA (International Phonetic Alphabet) transcription for "diaper" is /ˈdaɪ(ə)pə/. 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 "diaper"?
From Middle English dyaper, diapre, dyapre, from Old French diapre, dyapre, a variant of dyaspre, diaspre (“ornamental silk cloth embellished with floral or decorative geometrical patterns”), from Medieval Latin diaspra, diasprum (“a type of rich,... 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 "diaper", 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 (8 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list