injection
/ɪnˈd͡ʒɛk.ʃən/
"injection" is a 9-letter English headword indexed on PlainSpell.
The verdict
“injection” has 14 generated spelling variants in the English index at frequency #7,238. The variants make it a useful spelling check.
- #7,238
- frequency rank, English
- 2,140
- “I” headwords
- 14
- tracked misspellings
- 13
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act of injecting, or something that is injected.
Corpus desk
Index EN-injection · injection · English
injection · rank #7,238 · 14 variants · 13 confusables
- FREQ-COMMON #7,238
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-MID 13 pairs
- VAR-HIGH 14 variants
- BOOK-MID 2,140
- PHOTO-FINISH instrumental
Nearest frequency peer: instrumental (+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.
Rank peers near misspelling magnet “injection”
Same rarity band: useful when a typo lands on a peer headword
- inappropria…
inappropriate
92,766 corpus weight
- infant
infant
92,765 corpus weight
- injection
injection
92,763 corpus weight
- instrumental
instrumental
92,762 corpus weight
- insult
insult
92,761 corpus weight
- interference
interference
92,760 corpus weight
What this shows “injection” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | injection |
| Language | English |
| Part of speech | Noun |
| IPA | /ɪnˈd͡ʒɛk.ʃən/ |
| Letters | 9 |
| Frequency rank | #7,238 |
| Misspellings tracked | 14 |
| Confusable pairs | 13 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “injection”
A misspelling magnet
The generator records 14 spelling variants around injection (IPA /ɪnˈd͡ʒɛk.ʃən/), anoun. Corpus frequency is #7,238 among 2,140 “I” headwords. Wiktionary lists 14 senses, so context still picks the gloss.
Our generated misspelling index lists 14 likely wrong-spelling variants for injection, with forms such as "ijnection", "inejction", and "injcetion". 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 13 confusable-pair relationships, "injector", "intention", "invention", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: Borrowed from Middle French injection, from Latin iniectio. The mathematical sense is from French injection, introduced by Nicolas Bourbaki in their treatise Éléments de mathématique. Equivalent to inject + -ion. The correct English form is injection, spelled I-N-J-E-C-T-I-O-N.
Definition
- 1The act of injecting, or something that is injected.
- 2A specimen prepared by injection.
- 3A morphism from either one of the two components of a coproduct to that coproduct.
- 4The act of inserting materials like concrete grout or gravel by using high pressure pumps.
- 5The supply of additional funding to a person or a business.
- 6A relation on sets (X,Y) that associates each element of Y with at most one element of X.
- 7The insertion of program code into an application, URL, hardware, etc.; especially when malicious or when the target is not designed for such insertion.
- 8The act of putting a spacecraft into a particular orbit, especially for changing a stable orbit into a transfer orbit, e.g. trans-lunar injection.
- 9A function that maps distinct x in the domain to distinct y in the codomain; formally, a f: X → Y such that f(a) = f(b) implies a = b for any a, b in the domain.
- 10Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.
- 11Congestion (of a body part, with blood or other fluid), such as hyperemia.
- 12Fuel injection: the pressurized introduction of fuel into a cylinder.
- 13The act of throwing cold water into a condenser to produce a vacuum.
- 14The cold water thrown into a condenser to produce a vacuum.
Recorded use
Wiktionary examplesThese source excerpts show how injection appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
For some indications in PET imaging, it is necessary for radiopharmaceutical injections to be administered contralaterally or pedally to the disease process
The troubled business received a much-needed cash injection.
Etymology
Borrowed from Middle French injection, from Latin iniectio. The mathematical sense is from French injection, introduced by Nicolas Bourbaki in their treatise Éléments de mathématique. Equivalent to inject + -ion.
This word in other languages
Common misspellings
Also misspelled as:
- ijnection
- inejction
- injcetion
- injecction
- injeciton
- injecsion
- injectino
- injectionn
- injectoin
- injecttion
- injetcion
- injjection
- innjection
- nijection
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of injection - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "injection", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (14 here; floor ≥5).