assumption

/əˈsʌm(p).ʃ(ə)n/

//əˈsʌm(p).ʃ(ə)n// noun

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

"assumption" is a 10-letter English headword indexed on PlainSpell.

The verdict

“assumption” has 14 generated spelling variants in the English index at frequency #6,328. The variants make it a useful spelling check.

#6,328
frequency rank, English
3,931
“A” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act of assuming, or taking to or upon oneself; the act of taking up or adopting.

Corpus desk

Index EN-assumption · assumption · English

assumption · rank #6,328 · 14 variants · 0 confusables

  • FREQ-COMMON #6,328
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH assess

Nearest frequency peer: assess (-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 “assumption”

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

corpus weight

What this shows “assumption” 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 assumption
PropertyValue
Headwordassumption
LanguageEnglish
Part of speechNoun
IPA/əˈsʌm(p).ʃ(ə)n/
Letters10
Frequency rank#6,328
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “assumption”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).assumptionlands 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 “assess” (#6,327), “assured” (#6,329), “answering” (#6,326). Among 3,931 “A” headwords, “assumption” is #6,328. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around assumption (IPA /əˈsʌm(p).ʃ(ə)n/), anoun. Corpus frequency is #6,328 among 3,931 “A” headwords. Wiktionary lists 7 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for assumption, with forms such as "assmuption", "assummption", and "assumpiton". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Middle English assumpcioun, from Medieval Latin assumptio (“a taking up (into heaven)”) and Latin assumptio (“a taking up, adoption, the minor proposition of a syllogism”). Doublet of assumptio; see assume. The correct English form is assumption, spelled A-S-S-U-M-P-T-I-O-N.

Definition

  1. 1
    The act of assuming, or taking to or upon oneself; the act of taking up or adopting.
  2. 2
    The act of taking for granted, or supposing a thing without proof; a supposition; an unwarrantable claim.
  3. 3
    The thing supposed; a postulate, or proposition assumed; a supposition.
  4. 4
    The minor or second proposition in a categorical syllogism.
  5. 5
    The taking of a person up into heaven.
  6. 6
    A festival in honor of the ascent of the Virgin Mary into heaven, celebrated on 15 August.
  7. 7
    Assumptio.

Recorded use

Wiktionary examples

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

  1. His assumption of secretarial duties was timely.
  2. Their assumption of his guilt disqualified them from jury duty.

Etymology

From Middle English assumpcioun, from Medieval Latin assumptio (“a taking up (into heaven)”) and Latin assumptio (“a taking up, adoption, the minor proposition of a syllogism”). Doublet of assumptio; see assume.

This word in other languages

asunción(Español)assomption(Français)Übernahme(Deutsch)suposição(Português)

Common misspellings

Also misspelled as:

  • assmuption
  • assummption
  • assumpiton
  • assumpption
  • assumpsion
  • assumptino
  • assumptionn
  • assumptoin
  • assumpttion
  • assumtpion
  • assupmtion
  • asumption
  • asusmption
  • sasumption

Misspelling Pattern Breakdown

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

assmuption2assummption1assumpiton2assumpption1assumpsion1assumptino2assumptionn1assumptoin2
Edit distance from "assumption"

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 "assumption"?
"assumption" is spelled A-S-S-U-M-P-T-I-O-N. The IPA pronunciation is /əˈsʌm(p).ʃ(ə)n/.
What does "assumption" mean?
As a noun, "assumption" means: The act of assuming, or taking to or upon oneself; the act of taking up or adopting.
What are common misspellings of "assumption"?
Common misspellings include "assmuption", "assummption", "assumpiton", "assumpption", "assumpsion". The correct spelling is "assumption".
How do you pronounce "assumption"?
The IPA (International Phonetic Alphabet) transcription for "assumption" is /əˈsʌm(p).ʃ(ə)n/. 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 "assumption"?
From Middle English assumpcioun, from Medieval Latin assumptio (“a taking up (into heaven)”) and Latin assumptio (“a taking up, adoption, the minor proposition of a syllogism”). Doublet of assumptio; see assume. 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 "assumption", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

altogether#6,324capability#6,340underneath#6,311conducting#6,346

Similar misspelling depth

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

answering14 variantscomputing14 variantscontinent14 variantsexcellence14 variants

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

Source: FrequencyWords open word-frequency list