which

/wɪt͡ʃ/

//wɪt͡ʃ// conj

"which" is a 5-letter English headword indexed on PlainSpell.

The verdict

“which” is in the everyday core of English, ranked #59 in English word frequency and used as a conjunction.

#59
frequency rank, English
5
letters
8
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - And.

Visual similarity to commonly confused words

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

which vs WIC
0% similar
which vs with
60% similar
which vs wish
60% similar

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

Key facts for which
PropertyValue
Headwordwhich
LanguageEnglish
Part of speechConjunction
IPA/wɪt͡ʃ/
Letters5
Frequency rank#59
Misspellings tracked8
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “which” 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). which 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 which is 5 letters long, classified as a conjunction, and transcribed in the International Phonetic Alphabet as /wɪt͡ʃ/. Corpus data places it at rank #59 in overall English word frequency, putting it firmly in the everyday core of the language. The dominant gloss from Wiktionary reads: "And.".

Our generated misspelling index lists 8 likely wrong-spelling variants for which, with forms such as "hwich", "whcih", and "whhich". 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 20 confusable-pair relationships, "WIC", "with", "wish", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English which, hwic, wilche, hwilch, whilk, hwilc, from Old English hwelċ (“which”), from Proto-Germanic *hwilīkaz (“what kind”, literally “like what”), derived from *hwaz. By surface analysis, who + like. Cognates include Scots whilk (“which”),… The correct English form is which, spelled W-H-I-C-H.

Definition

  1. 1
    And.

Etymology

From Middle English which, hwic, wilche, hwilch, whilk, hwilc, from Old English hwelċ (“which”), from Proto-Germanic *hwilīkaz (“what kind”, literally “like what”), derived from *hwaz. By surface analysis, who + like. Cognates include Scots whilk (“which”), West Frisian hokker (“which”), Dutch welk (“which”), Low German welk (“which”), German welcher (“which”), Danish hvilken (“which”), Swedish vilken (“which”), Norwegian hvilken (“which”), Icelandic hvílíkur (“which”).

Common misspellings

Also misspelled as: hwich,whcih,whhich,whicch,whichh,whihc,wihch,wwhich

Misspelling Pattern Breakdown

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

hwich2whcih2whhich1whicch1whichh1whihc2wihch2wwhich1
Edit distance from "which"

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 "which"?
"which" is spelled W-H-I-C-H. The IPA pronunciation is /wɪt͡ʃ/.
What does "which" mean?
As a conjunction, "which" means: And.
What words are commonly confused with "which"?
"which" is commonly confused with "WIC", "with", "wish". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "which"?
The IPA (International Phonetic Alphabet) transcription for "which" is /wɪt͡ʃ/. 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 "which"?
From Middle English which, hwic, wilche, hwilch, whilk, hwilc, from Old English hwelċ (“which”), from Proto-Germanic *hwilīkaz (“what kind”, literally “like what”), derived from *hwaz. By surface analysis, who + like. Cognates include Scots whilk ... 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.

Using “which”

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

  • The one correct English spelling is W-H-I-C-H - every other letter order is a misspelling in standard orthography.
  • Say it as /wɪt͡ʃ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “WIC” - see the side-by-side comparison. which vs WIC
  • 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