WTH

intj

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

"wth" is a 3-letter English headword indexed on PlainSpell.

The verdict

“WTH” is a moderately-common English word, ranked #33,488 in English word frequency and used as an interjection.

#33,488
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of what the hell or what the heck.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

WTH vs Wu
33% similar
WTH vs WV
33% similar
WTH vs wy
0% similar

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

Key facts for WTH
PropertyValue
HeadwordWTH
LanguageEnglish
Part of speechInterjection
Letters3
Frequency rank#33,488
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “WTH” 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). WTH lands here:

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

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

Spelling & Dictionary Insight

The English entry for WTH is 3 letters long, classified as an interjection. Corpus data places it at rank #33,488 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Initialism of what the hell or what the heck.".

WTH has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "Wu", "WV", "wy", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Our source data has no etymology on file for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is WTH, spelled W-T-H.

Definition

  1. 1
    Initialism of what the hell or what the heck.

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 "WTH"?
"WTH" is spelled W-T-H.
What does "WTH" mean?
As an interjection, "WTH" means: Initialism of what the hell or what the heck.
What words are commonly confused with "WTH"?
"WTH" is commonly confused with "Wu", "WV", "wy". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "WTH" come from?
"WTH" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Using “WTH”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is W-T-H - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “Wu” - see the side-by-side comparison. WTH vs Wu
  • Browse more English words and confusable pairs in the same reference. English words
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 FrequencyWords open word-frequency list