buoyancy

/ˈbɔɪ.ən.si/

//ˈbɔɪ.ən.si// noun

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

"buoyancy" is a 8-letter English headword indexed on PlainSpell.

The verdict

“buoyancy” has 12 generated spelling variants in the English index at frequency #30,713. The variants make it a useful spelling check.

#30,713
frequency rank, English
4,121
“B” headwords
12
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The upward force on a body immersed or partly immersed in a fluid.

Corpus desk

Index EN-buoyancy · buoyancy · English

buoyancy · rank #30,713 · 12 variants · 1 confusable

  • FREQ-MID #30,713
  • LEN-LONG 8 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 12 variants
  • BOOK-MID 4,121
  • PHOTO-FINISH Brookfield

Nearest frequency peer: Brookfield (-2 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 “buoyancy”

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

corpus weight

What this shows “buoyancy” 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

Visual similarity to commonly confused words

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

buoyancy vs buoyant
75% similar

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

Key facts for buoyancy
PropertyValue
Headwordbuoyancy
LanguageEnglish
Part of speechNoun
IPA/ˈbɔɪ.ən.si/
Letters8
Frequency rank#30,713
Misspellings tracked12
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “buoyancy”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).buoyancylands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Brookfield” (#30,711), “businesswoman” (#30,715), “buttermilk” (#30,716). Among 4,121 “B” headwords, “buoyancy” is #30,713. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around buoyancy (IPA /ˈbɔɪ.ən.si/), anoun. Corpus frequency is #30,713 among 4,121 “B” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for buoyancy, with forms such as "bbuoyancy", "bouyancy", and "buoayncy". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "buoyant", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From buoyant + -cy or buoy + -ancy. The correct English form is buoyancy, spelled B-U-O-Y-A-N-C-Y.

Definition

  1. 1
    The upward force on a body immersed or partly immersed in a fluid.
  2. 2
    The ability of an object to stay afloat in a fluid.
  3. 3
    Resilience or cheerfulness.

Recorded use

Wiktionary example

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

  1. With how much lighter a step, with how much brighter an eye, did Francesca wander through the forest, even in the last desolation of autumn, than she did in all the bloom and buoyancy of spring!

Etymology

From buoyant + -cy or buoy + -ancy.

This word in other languages

poussée d'Archimède(Français)Auftrieb(Deutsch)

Common misspellings

Also misspelled as:

  • bbuoyancy
  • bouyancy
  • buoayncy
  • buoyacny
  • buoyanccy
  • buoyancyy
  • buoyanncy
  • buoyanyc
  • buoynacy
  • buoyyancy
  • buyoancy
  • uboyancy

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of buoyancy - 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.

bbuoyancy1bouyancy2buoayncy2buoyacny2buoyanccy1buoyancyy1buoyanncy1buoyanyc2
Edit distance from "buoyancy"

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 "buoyancy"?
"buoyancy" is spelled B-U-O-Y-A-N-C-Y. The IPA pronunciation is /ˈbɔɪ.ən.si/.
What does "buoyancy" mean?
As a noun, "buoyancy" means: The upward force on a body immersed or partly immersed in a fluid.
What words are commonly confused with "buoyancy"?
"buoyancy" is commonly confused with "buoyant". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "buoyancy"?
The IPA (International Phonetic Alphabet) transcription for "buoyancy" is /ˈbɔɪ.ən.si/. 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 "buoyancy"?
From buoyant + -cy or buoy + -ancy. 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 "buoyancy", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

Bayesian#30,699clitoris#30,735colliery#30,738Corcoran#30,741

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

Caledonia12 variantscrucially12 variantsairtight12 variantsdelirious12 variants

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

Source: FrequencyWords open word-frequency list