extrapolate

/ɛkˈstɹæp.əˌleɪt/

//ɛkˈstɹæp.əˌleɪt// verb

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

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

The verdict

“extrapolate” has 16 generated spelling variants in the English index at frequency #43,149. The variants make it a useful spelling check.

#43,149
frequency rank, English
2,246
“E” headwords
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To infer by extending known information.

Corpus desk

Index EN-extrapolate · extrapolate · English

extrapolate · rank #43,149 · 16 variants · 0 confusables

  • FREQ-MID #43,149
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 16 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH extrajudicial

Nearest frequency peer: extrajudicial (-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 “extrapolate”

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

corpus weight

What this shows “extrapolate” 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 extrapolate
PropertyValue
Headwordextrapolate
LanguageEnglish
Part of speechVerb
IPA/ɛkˈstɹæp.əˌleɪt/
Letters11
Frequency rank#43,149
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “extrapolate”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).extrapolatelands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “extrajudicial” (#43,148), “fal” (#43,151), “faring” (#43,152). Among 2,246 “E” headwords, “extrapolate” is #43,149. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around extrapolate (IPA /ɛkˈstɹæp.əˌleɪt/), averb. Corpus frequency is #43,149 among 2,246 “E” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for extrapolate, with forms such as "etxrapolate", "exrtapolate", and "extarpolate". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From extra- + (inter)polate. The correct English form is extrapolate, spelled E-X-T-R-A-P-O-L-A-T-E.

Definition

  1. 1
    To infer by extending known information.
  2. 2
    To estimate the value of a variable outside a known range from values within that range by assuming that the estimated value follows logically from the known ones

Recorded use

Wiktionary example

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

  1. With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get[…]

Etymology

From extra- + (inter)polate.

Antonyms

interpolate

This word in other languages

extrapolar(Español)extrapoler(Français)extrapolieren(Deutsch)extrapolar(Português)

Common misspellings

Also misspelled as:

  • etxrapolate
  • exrtapolate
  • extarpolate
  • extraoplate
  • extraploate
  • extrapoalte
  • extrapolaet
  • extrapolatte
  • extrapollate
  • extrapoltae
  • extrappolate
  • extrpaolate
  • extrrapolate
  • exttrapolate
  • exxtrapolate
  • xetrapolate

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of extrapolate - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

etxrapolate2exrtapolate2extarpolate2extraoplate2extraploate2extrapoalte2extrapolaet2extrapolatte1
Edit distance from "extrapolate"

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 "extrapolate"?
"extrapolate" is spelled E-X-T-R-A-P-O-L-A-T-E. The IPA pronunciation is /ɛkˈstɹæp.əˌleɪt/.
What does "extrapolate" mean?
As a verb, "extrapolate" means: To infer by extending known information.
What are common misspellings of "extrapolate"?
Common misspellings include "etxrapolate", "exrtapolate", "extarpolate", "extraoplate", "extraploate". The correct spelling is "extrapolate".
How do you pronounce "extrapolate"?
The IPA (International Phonetic Alphabet) transcription for "extrapolate" is /ɛkˈstɹæp.əˌleɪt/. 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 "extrapolate"?
From extra- + (inter)polate. 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 "extrapolate", not the corpus desk frequency band.

Same letter count

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

eventuality#43,140gravitation#43,175downtrodden#43,120disobedient#43,114

Similar misspelling depth

Headwords with a similar count of attested misspellings (16 here; floor ≥5).

divestment16 variantscollapsible16 variantsKierkegaard16 variantsmanifestly16 variants

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

Source: FrequencyWords open word-frequency list