viscosity

/vɪsˈkɑsɪti/

//vɪsˈkɑsɪti// noun

By · According to Wiktionary data (CC BY-SA) ·

"viscosity" is a 9-letter English headword indexed on PlainSpell.

The verdict

“viscosity” has 14 generated spelling variants in the English index at frequency #24,633. The variants make it a useful spelling check.

#24,633
frequency rank, English
969
“V” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state of being viscous.

Corpus desk

Index EN-viscosity · viscosity · English

viscosity · rank #24,633 · 14 variants · 0 confusables

  • FREQ-MID #24,633
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 969
  • PHOTO-FINISH viewership

Nearest frequency peer: viewership (-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 “viscosity”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “viscosity” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for viscosity
PropertyValue
Headwordviscosity
LanguageEnglish
Part of speechNoun
IPA/vɪsˈkɑsɪti/
Letters9
Frequency rank#24,633
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “viscosity”

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

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “viewership” (#24,632), “Vogel” (#24,634), “Verona” (#24,631). Among 969 “V” headwords, “viscosity” is #24,633. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around viscosity (IPA /vɪsˈkɑsɪti/), anoun. Corpus frequency is #24,633 among 969 “V” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for viscosity, with forms such as "ivscosity", "vicsosity", and "visccosity". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Middle French viscosité, from Old French viscosité, from Medieval Latin viscositas; analysable as viscous + -ity. The correct English form is viscosity, spelled V-I-S-C-O-S-I-T-Y.

Definition

  1. 1
    The state of being viscous.
  2. 2
    A quantity expressing the magnitude of internal friction in a fluid, as measured by the force per unit area resisting uniform flow.
  3. 3
    A tendency to prolong interpersonal encounters.

Recorded use

Wiktionary examples

These source excerpts show how viscosity appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Near-synonym: thickness
  2. The microcannon was seen moving at about a micron per second, it was about 15 microns long, and the high speed photograph was done in water (density of 1 kg/L, viscosity of about 0.001 pascal seconds).

Etymology

From Middle French viscosité, from Old French viscosité, from Medieval Latin viscositas; analysable as viscous + -ity.

This word in other languages

viscosité(Français)Zähflüssigkeit(Deutsch)viscosidade(Português)

Common misspellings

Also misspelled as:

  • ivscosity
  • vicsosity
  • visccosity
  • viscoisty
  • viscositty
  • viscosityy
  • viscosiyt
  • viscossity
  • viscostiy
  • viscsoity
  • visocsity
  • visscosity
  • vsicosity
  • vviscosity

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of viscosity - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ivscosity2vicsosity2visccosity1viscoisty2viscositty1viscosityy1viscosiyt2viscossity1
Edit distance from "viscosity"

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 "viscosity"?
"viscosity" is spelled V-I-S-C-O-S-I-T-Y. The IPA pronunciation is /vɪsˈkɑsɪti/.
What does "viscosity" mean?
As a noun, "viscosity" means: The state of being viscous.
What are common misspellings of "viscosity"?
Common misspellings include "ivscosity", "vicsosity", "visccosity", "viscoisty", "viscositty". The correct spelling is "viscosity".
How do you pronounce "viscosity"?
The IPA (International Phonetic Alphabet) transcription for "viscosity" is /vɪsˈkɑsɪti/. 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 "viscosity"?
From Middle French viscosité, from Old French viscosité, from Medieval Latin viscositas; analysable as viscous + -ity. 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 "viscosity", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Valentino#24,628adaptable#24,643unmatched#24,623treachery#24,618

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

resultant14 variantscomforted14 variantsconsented14 variantspressuring14 variants

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

Source: FrequencyWords open word-frequency list