vivisection

/ˌvɪ.vɪˈsɛk.ʃən/

//ˌvɪ.vɪˈsɛk.ʃən// noun

"vivisection" is a 11-letter English headword indexed on PlainSpell.

The verdict

“vivisection” is uncommon English (frequency #66,389 among 969 “V” headwords), classed as a noun. The kind of spelling people second-guess.

#66,389
frequency rank, English
969
“V” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act or instance of cutting, surgery, or other invasive treatment of a living organism for the purposes of physiological or pathological scientific investigation.

Corpus desk

Index EN-vivisection · vivisection · English

vivisection · rank #66,389 · 0 variants · 0 confusables

  • FREQ-RARE #66,389
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 969
  • PHOTO-FINISH Visayas

Nearest frequency peer: Visayas (-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.

Long-tail ranks near “vivisection”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “vivisection” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for vivisection
PropertyValue
Headwordvivisection
LanguageEnglish
Part of speechNoun
IPA/ˌvɪ.vɪˈsɛk.ʃən/
Letters11
Frequency rank#66,389
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “vivisection” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).vivisectionfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Visayas” (#66,388), “videotaping” (#66,387), “Vico” (#66,386). Among 969 “V” headwords, “vivisection” is #66,389. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

vivisection is uncommon English at frequency #66,389 among 969 “V” headwords, classed as anoun, transcribed /ˌvɪ.vɪˈsɛk.ʃən/. Rarity is why readers land here mid-draft. Gloss: "The act or instance of cutting, surgery, or other invasive treatment of a living organism for the purposes of physiological or pathological scientific investigation.".

vivisection has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Latin vīvus (“alive”) + sectiō (“cutting”). Compare French vivisection. See also vivid and section. The correct English form is vivisection, spelled V-I-V-I-S-E-C-T-I-O-N.

Definition

  1. 1
    The act or instance of cutting, surgery, or other invasive treatment of a living organism for the purposes of physiological or pathological scientific investigation.

Etymology

From Latin vīvus (“alive”) + sectiō (“cutting”). Compare French vivisection. See also vivid and section.

This word in other languages

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 "vivisection"?
"vivisection" is spelled V-I-V-I-S-E-C-T-I-O-N. The IPA pronunciation is /ˌvɪ.vɪˈsɛk.ʃən/.
What does "vivisection" mean?
As a noun, "vivisection" means: The act or instance of cutting, surgery, or other invasive treatment of a living organism for the purposes of physiological or pathological scientific investigation.
How do you pronounce "vivisection"?
The IPA (International Phonetic Alphabet) transcription for "vivisection" is /ˌvɪ.vɪˈsɛk.ʃən/. 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 "vivisection"?
From Latin vīvus (“alive”) + sectiō (“cutting”). Compare French vivisection. See also vivid and section. 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 "vivisection", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list