can

/ˈkæn/

//ˈkæn// verb

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

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

The verdict

“can” sits in 20 confusable pairs (corpus #39) as a verb. The look-alike neighbours are the real trap.

#39
frequency rank, English
5,599
“C” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To know how to.

Corpus desk

Index EN-can · can · English

can · rank #39 · 0 variants · 20 confusables

  • FREQ-CORE #39
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH one

Nearest frequency peer: one (-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 neighbours of confusable “can”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “can” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

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).

can vs co
33% similar
can vs CD
0% similar
can vs CM
0% similar

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

Key facts for can
PropertyValue
Headwordcan
LanguageEnglish
Part of speechVerb
IPA/ˈkæn/
Letters3
Frequency rank#39
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “can”

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).canlands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “one” (#38), “will” (#40), “if” (#37). Among 5,599 “C” headwords, “can” is #39. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for can is neighbouring look-alikes ("co", "CD", …), not just typos; it is averb pronounced /ˈkæn/. Frequency #39 among 5,599 “C” headwords. 9 recorded senses keep meaning in play.

Our edit-distance generator produced no likely misspellings for can, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "co", "CD", "CM", 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 can, first and third person singular of connen, cunnen (“to be able, know how”), from Old English can(n), first and third person singular of cunnan (“to know how”), from Proto-West Germanic *kunnan, from Proto-Germanic *kunnaną, from Pro… The correct English form is can, spelled C-A-N.

Definition

  1. 1
    To know how to.
  2. 2
    To be able to.
  3. 3
    May; to be permitted or enabled to.
  4. 4
    To have the potential to; to be possible for (someone or something) to.
  5. 5
    Used to form requests, typically polite.
  6. 6
    To know.
  7. 7
    To be (followed by a word like able, possible, allowed). third-person singular simple present indicative of can
  8. 8
    To be able to or know how to (do something); an accompanying verb is not required if it is already inferable from context.
  9. 9
    To be fine or acceptable; to be possible; (with liao or already) to be enough. Often used in conjunction with a variety of clause-final particles, e.g., lah, meh or one, to express different attitudes towards the subject matter.

Recorded use

Wiktionary examples

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

  1. She can speak English, French, and German.
  2. I can play football.

Etymology

From Middle English can, first and third person singular of connen, cunnen (“to be able, know how”), from Old English can(n), first and third person singular of cunnan (“to know how”), from Proto-West Germanic *kunnan, from Proto-Germanic *kunnaną, from Proto-Indo-European *ǵneh₃- (whence also know). Doublet of con. See also: canny, cunning.

This word in other languages

poder(Español)pouvoir(Français)können(Deutsch)conseguir(Português)

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 "can"?
"can" is spelled C-A-N. The IPA pronunciation is /ˈkæn/.
What does "can" mean?
As a verb, "can" means: To know how to.
What words are commonly confused with "can"?
"can" is commonly confused with "co", "CD", "CM". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "can"?
The IPA (International Phonetic Alphabet) transcription for "can" is /ˈkæn/. 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 "can"?
From Middle English can, first and third person singular of connen, cunnen (“to be able, know how”), from Old English can(n), first and third person singular of cunnan (“to know how”), from Proto-West Germanic *kunnan, from Proto-Germanic *kunnaną... 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 "can", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

one#38his#34out#45all#32

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

Source: FrequencyWords open word-frequency list