projection

/pɹəˈd͡ʒɛkʃən/

//pɹəˈd͡ʒɛkʃən// noun

"projection" is a 10-letter English headword indexed on PlainSpell.

The verdict

“projection” is a regularly-used English word, ranked #9,801 in English word frequency and used as a noun.

#9,801
frequency rank, English
10
letters
16
tracked misspellings
7
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Something which projects, protrudes, juts out, sticks out, or stands out.

Visual similarity to commonly confused words

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

projection vs projector
80% similar
projection vs protection
90% similar
projection vs projective
80% similar

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

Key facts for projection
PropertyValue
Headwordprojection
LanguageEnglish
Part of speechNoun
IPA/pɹəˈd͡ʒɛkʃən/
Letters10
Frequency rank#9,801
Misspellings tracked16
Confusable pairs7
SourceWiktionary (kaikki.org)

Where “projection” 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). projection 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 projection is 10 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /pɹəˈd͡ʒɛkʃən/. Corpus data places it at rank #9,801 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 15 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 16 likely wrong-spelling variants for projection, with forms such as "porjection", "pprojection", and "prjoection". 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. It also participates in 7 confusable-pair relationships, "projector", "protection", "projective", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From either the Middle French projection or its etymon, the Classical Latin prōiectiō (stem: prōiectiōn-), from prōiciō, equivalent to project + -ion. Compare the Modern French projection, the German Projektion, and the Italian proiezione. The correct English form is projection, spelled P-R-O-J-E-C-T-I-O-N.

Definition

  1. 1
    Something which projects, protrudes, juts out, sticks out, or stands out.
  2. 2
    The action of projecting or throwing or propelling something.
  3. 3
    The crisis or decisive point of any process, especially a culinary process.
  4. 4
    The display of an image by devices such as movie projector, video projector, overhead projector or slide projector.
  5. 5
    A forecast or prognosis obtained by extrapolation
  6. 6
    A belief or assumption that others have similar thoughts and experiences to one's own, including making accusations that would more fittingly apply to the accuser.
  7. 7
    The image that a translucent object casts onto another object.
  8. 8
    Any of several systems of intersecting lines that allow the curved surface of the earth to be represented on a flat surface. The set of mathematics used to calculate coordinate positions.
  9. 9
    An image of an object on a surface of fewer dimensions.
  10. 10
    An idempotent linear transformation which maps vectors from a vector space onto a subspace.
  11. 11
    A transformation which extracts a fragment of a mathematical object.
  12. 12
    A morphism from a categorical product to one of its (two) components.
  13. 13
    The preservation of the properties of lexical items while generating the phrase structure of a sentence. See Projection principle.
  14. 14
    A supposed mechanism for the transmutation of large quantities of base metals.
  15. 15
    The distance the scent of a perfume radiates off the skin.

Etymology

From either the Middle French projection or its etymon, the Classical Latin prōiectiō (stem: prōiectiōn-), from prōiciō, equivalent to project + -ion. Compare the Modern French projection, the German Projektion, and the Italian proiezione.

This word in other languages

Common misspellings

Also misspelled as: porjection,pprojection,prjoection,proejction,projcetion,projecction,projeciton,projecsion,projectino,projectionn,projectoin,projecttion,projetcion,projjection,prrojection,rpojection

Misspelling Pattern Breakdown

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

porjection2pprojection1prjoection2proejction2projcetion2projecction1projeciton2projecsion1
Edit distance from "projection"

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 "projection"?
"projection" is spelled P-R-O-J-E-C-T-I-O-N. The IPA pronunciation is /pɹəˈd͡ʒɛkʃən/.
What does "projection" mean?
As a noun, "projection" means: Something which projects, protrudes, juts out, sticks out, or stands out.
What words are commonly confused with "projection"?
"projection" is commonly confused with "projector", "protection", "projective". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "projection"?
The IPA (International Phonetic Alphabet) transcription for "projection" is /pɹəˈd͡ʒɛkʃən/. 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 "projection"?
From either the Middle French projection or its etymon, the Classical Latin prōiectiō (stem: prōiectiōn-), from prōiciō, equivalent to project + -ion. Compare the Modern French projection, the German Projektion, and the Italian proiezione. 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 “projection”

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

  • The one correct English spelling is P-R-O-J-E-C-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /pɹəˈd͡ʒɛkʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “projector” - see the side-by-side comparison. projection vs projector
  • 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