thumbnail

/ˈθʌm.neɪl/

//ˈθʌm.neɪl// noun

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

"thumbnail" is a 9-letter English headword indexed on PlainSpell.

The verdict

“thumbnail” has 14 generated spelling variants in the English index at frequency #21,386. The variants make it a useful spelling check.

#21,386
frequency rank, English
27,828
“T” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The fingernail on the thumb.

Corpus desk

Index EN-thumbnail · thumbnail · English

thumbnail · rank #21,386 · 14 variants · 0 confusables

  • FREQ-MID #21,386
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-DENSE 27,828
  • PHOTO-FINISH thistle

Nearest frequency peer: thistle (-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.

Frequency neighbourhood for “thumbnail”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “thumbnail” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for thumbnail
PropertyValue
Headwordthumbnail
LanguageEnglish
Part of speechNoun
IPA/ˈθʌm.neɪl/
Letters9
Frequency rank#21,386
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “thumbnail” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). thumbnail lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around thumbnail (IPA /ˈθʌm.neɪl/), anoun. Corpus frequency is #21,386 among 27,828 “T” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for thumbnail, with forms such as "htumbnail", "thhumbnail", and "thmubnail". 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. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From thumb + nail. Compare West Frisian tommeneil (“thumbnail”), Dutch duimnagel (“thumbnail”), German Daumennagel (“thumbnail”). The phrase thumbnail sketch was first attested 1852. Verb sense attested 1930s. The correct English form is thumbnail, spelled T-H-U-M-B-N-A-I-L.

Definition

  1. 1
    The fingernail on the thumb.
  2. 2
    A rough sketch (e.g., the size of one's thumbnail).
  3. 3
    A small picture, used as a compact representation of a larger image.
  4. 4
    A picture displayed by posts and videos pre-clicked conveying the matters discussed/shown in that post.

Etymology

From thumb + nail. Compare West Frisian tommeneil (“thumbnail”), Dutch duimnagel (“thumbnail”), German Daumennagel (“thumbnail”). The phrase thumbnail sketch was first attested 1852. Verb sense attested 1930s.

This word in other languages

miniatura(Español)croquis(Français)Daumennagel(Deutsch)

Common misspellings

Also misspelled as:

  • htumbnail
  • thhumbnail
  • thmubnail
  • thubmnail
  • thumbanil
  • thumbbnail
  • thumbnaill
  • thumbnali
  • thumbnial
  • thumbnnail
  • thummbnail
  • thumnbail
  • tthumbnail
  • tuhmbnail

Misspelling Pattern Breakdown

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

htumbnail2thhumbnail1thmubnail2thubmnail2thumbanil2thumbbnail1thumbnaill1thumbnali2
Edit distance from "thumbnail"

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "thumbnail"?
"thumbnail" is spelled T-H-U-M-B-N-A-I-L. The IPA pronunciation is /ˈθʌm.neɪl/.
What does "thumbnail" mean?
As a noun, "thumbnail" means: The fingernail on the thumb.
What are common misspellings of "thumbnail"?
Common misspellings include "htumbnail", "thhumbnail", "thmubnail", "thubmnail", "thumbanil". The correct spelling is "thumbnail".
How do you pronounce "thumbnail"?
The IPA (International Phonetic Alphabet) transcription for "thumbnail" is /ˈθʌm.neɪl/. 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 "thumbnail"?
From thumb + nail. Compare West Frisian tommeneil (“thumbnail”), Dutch duimnagel (“thumbnail”), German Daumennagel (“thumbnail”). The phrase thumbnail sketch was first attested 1852. Verb sense attested 1930s. 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 "thumbnail", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

underside#21,396syllables#21,375unloading#21,400Watergate#21,414

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

tenderness14 variantsuneducated14 variantsunreleased14 variantsWoodlands14 variants
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list