vaccination
/ˌvæk.sɪˈneɪ.ʃən/
"vaccination" is a 11-letter English headword indexed on PlainSpell.
The verdict
“vaccination” is a moderately-common English word, ranked #13,264 in English word frequency and used as a noun.
- #13,264
- frequency rank, English
- 11
- letters
- 15
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Inoculation with a vaccine, in order to protect from a particular disease or strain of disease.
| Property | Value |
|---|---|
| Headword | vaccination |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌvæk.sɪˈneɪ.ʃən/ |
| Letters | 11 |
| Frequency rank | #13,264 |
| Misspellings tracked | 15 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “vaccination” sits in English frequency
Spelling & Dictionary Insight
The English entry for vaccination is 11 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌvæk.sɪˈneɪ.ʃən/. Corpus data places it at rank #13,264 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Inoculation with a vaccine, in order to protect from a particular disease or strain of disease.".
Our generated misspelling index lists 15 likely wrong-spelling variants for vaccination, with forms such as "avccination", "vacciantion", and "vaccinaiton". 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. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From vaccinia, a cowpox infection. Ultimately from Latin vacca (“cow”). Coined by Edward Jenner (1749-1823) in 1798. Jenner infected people with weakened cowpox viruses (vaccinia), to immunise them against smallpox. It is now known that vaccinia and cow pox… The correct English form is vaccination, spelled V-A-C-C-I-N-A-T-I-O-N.
Definition
- 1Inoculation with a vaccine, in order to protect from a particular disease or strain of disease.
Etymology
From vaccinia, a cowpox infection. Ultimately from Latin vacca (“cow”). Coined by Edward Jenner (1749-1823) in 1798. Jenner infected people with weakened cowpox viruses (vaccinia), to immunise them against smallpox. It is now known that vaccinia and cow pox are separate conditions, but at the time of Jenner, they were considered the same condition.
This word in other languages
Common misspellings
Also misspelled as: avccination,vacciantion,vaccinaiton,vaccinasion,vaccinatino,vaccinationn,vaccinatoin,vaccinattion,vaccinnation,vaccintaion,vaccniation,vacicnation,vacination,vcacination,vvaccination
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of vaccination - 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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Using “vaccination”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is V-A-C-C-I-N-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as /ˌvæk.sɪˈneɪ.ʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.