light

/laɪt/

//laɪt// noun

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

The verdict

“light” is in the everyday core of English, ranked #467 in English word frequency and used as a noun.

#467
frequency rank, English
5
letters
8
tracked misspellings
16
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Electromagnetic radiation in the wavelength range visible to the human eye (about 400–750 nanometers): visible light.

Visual similarity to commonly confused words

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

light vs lit
60% similar
light vs list
60% similar
light vs lint
60% similar

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

Key facts for light
PropertyValue
Headwordlight
LanguageEnglish
Part of speechNoun
IPA/laɪt/
Letters5
Frequency rank#467
Misspellings tracked8
Confusable pairs16
SourceWiktionary (kaikki.org)

Where “light” 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). light 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 light is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /laɪt/. Corpus data places it at rank #467 in overall English word frequency, putting it firmly in the everyday core of the language. Wiktionary records 20 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 8 likely wrong-spelling variants for light, with forms such as "ilght", "lgiht", and "ligght". 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 16 confusable-pair relationships, "lit", "list", "lint", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Etymology tree Proto-Indo-European *lewk-der. Proto-Germanic *leuhtaz Proto-West Germanic *leuht Old English lēoht Middle English light English light From Middle English light, liht, leoht, from Old English lēoht, from Proto-West Germanic *leuht, from Proto… The correct English form is light, spelled L-I-G-H-T.

Definition

  1. 1
    Electromagnetic radiation in the wavelength range visible to the human eye (about 400–750 nanometers): visible light.
  2. 2
    Electromagnetic radiation in the wavelength range visible to the human eye or in nearby ranges (infrared or ultraviolet radiation).
  3. 3
    Electromagnetic radiation of any wavelength.
  4. 4
    A source of illumination.
  5. 5
    A source of illumination.
  6. 6
    A source of illumination.
  7. 7
    Spiritual or mental illumination; enlightenment, useful information.
  8. 8
    Facts; pieces of information; ideas, concepts.
  9. 9
    A notable person within a specific field or discipline.
  10. 10
    The manner in which the light strikes a picture; that part of a picture which represents those objects upon which the light is supposed to fall; the more illuminated part of a landscape or other scene; opposed to shade.
  11. 11
    A point of view, or aspect from which a concept, person or thing is regarded.
  12. 12
    A flame or something used to create fire.
  13. 13
    A flame or something used to create fire.
  14. 14
    A firework made by filling a case with a substance which burns brilliantly with a white or coloured flame.
  15. 15
    A window in architecture, carriage design, or motor car design: either the opening itself or the window pane of glass that fills it, if any.
  16. 16
    The series of squares reserved for the answer to a crossword clue.
  17. 17
    A cross-light in a double acrostic or triple acrostic.
  18. 18
    Open view; a visible state or condition; public observation; publicity.
  19. 19
    The power of perception by vision: eyesight (sightedness; vision).
  20. 20
    The brightness of the eye or eyes.

Etymology

Etymology tree Proto-Indo-European *lewk-der. Proto-Germanic *leuhtaz Proto-West Germanic *leuht Old English lēoht Middle English light English light From Middle English light, liht, leoht, from Old English lēoht, from Proto-West Germanic *leuht, from Proto-Germanic *leuhtą, from Proto-Indo-European *lewktom, from the root *lewk- (“to shine”). Cognates * Scots licht (“light”) * Saterland Frisian Ljoacht, Lucht (“light”) * West Frisian ljocht (“light”) * Dutch licht (“light”) * German Licht (“light”) * German Low German Licht (“light”) * Limburgish Leech, Leet, Léït (“light”) * Luxembourgish Liicht (“light”) * Vilamovian łicht (“light”) * Yiddish ליכט (likht, “light”) * Danish, Norwegian Bokmål lys (“light”) * Elfdalian liuos (“light”) * Faroese, Icelandic ljós (“light”) * Norwegian Nynorsk ljos, ljus, lys (“light”) * Swedish ljus (“light”) * Latin lūx (“light”) * Russian луч (luč, “beam of light”) * Armenian լույս (luys, “light”) * Ancient Greek λευκός (leukós, “white”) * Persian رُخش (roxš).

Synonyms

visible lightluminanceradiation

Antonyms

This word in other languages

Common misspellings

Also misspelled as: ilght,lgiht,ligght,lighht,lightt,ligth,lihgt,llight

Misspelling Pattern Breakdown

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

ilght2lgiht2ligght1lighht1lightt1ligth2lihgt2llight1
Edit distance from "light"

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 "light"?
"light" is spelled L-I-G-H-T. The IPA pronunciation is /laɪt/.
What does "light" mean?
As a noun, "light" means: Electromagnetic radiation in the wavelength range visible to the human eye (about 400–750 nanometers): visible light.
What words are commonly confused with "light"?
"light" is commonly confused with "lit", "list", "lint". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "light"?
The IPA (International Phonetic Alphabet) transcription for "light" is /laɪt/. 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 "light"?
Etymology tree Proto-Indo-European *lewk-der. Proto-Germanic *leuhtaz Proto-West Germanic *leuht Old English lēoht Middle English light English light From Middle English light, liht, leoht, from Old English lēoht, from Proto-West Germanic *leuht, ... 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 “light”

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

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