accumulate

/əˈkjuːmjʊˌleɪt/

//əˈkjuːmjʊˌleɪt// verb

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

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

The verdict

“accumulate” is a moderately-common English word, ranked #15,319 in English word frequency and used as a verb.

#15,319
frequency rank, English
10
letters
12
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To heap up in a mass; to pile up; to collect or bring together (either literally or figuratively), often gradually and without active intent.

Visual similarity to commonly confused words

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

accumulate vs accumulated
91% similar
accumulate vs accumulator
82% similar

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

Key facts for accumulate
PropertyValue
Headwordaccumulate
LanguageEnglish
Part of speechVerb
IPA/əˈkjuːmjʊˌleɪt/
Letters10
Frequency rank#15,319
Misspellings tracked12
Confusable pairs2
SourceWiktionary (kaikki.org)

Where “accumulate” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for accumulate is 10 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /əˈkjuːmjʊˌleɪt/. Corpus data places it at rank #15,319 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 12 likely wrong-spelling variants for accumulate, with forms such as "accmuulate", "accumluate", and "accummulate". 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. It also participates in 2 confusable-pair relationships, "accumulated", "accumulator", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: First attested c. 1487; from Middle English accumylaten, borrowed from Latin accumulātus, perfect passive participle of accumulō (“to amass, pile up”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), formed from ad (“to, towards, at”) +… The correct English form is accumulate, spelled A-C-C-U-M-U-L-A-T-E.

Definition

  1. 1
    To heap up in a mass; to pile up; to collect or bring together (either literally or figuratively), often gradually and without active intent.
  2. 2
    To gradually grow or increase in quantity or number.
  3. 3
    To take a higher degree at the same time with a lower degree, or at a shorter interval than usual.

Etymology

First attested c. 1487; from Middle English accumylaten, borrowed from Latin accumulātus, perfect passive participle of accumulō (“to amass, pile up”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), formed from ad (“to, towards, at”) + cumulō (“to heap”), from cumulus (“a heap”) + -ō (first conjugation verb-forming suffix). Cognate with French accumuler.

Synonyms

accrueaccumulateadd upamoundgathergarnerget upheap upmount upstack up

Antonyms

declinedecumulatelose

This word in other languages

acumular(Español)accumuler(Français)aufstauen(Deutsch)acumular(Português)

Common misspellings

Also misspelled as: accmuulate,accumluate,accummulate,accumualte,accumulaet,accumulatte,accumullate,accumultae,accuumlate,acucmulate,acumulate,cacumulate

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of accumulate - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

accmuulate2accumluate2accummulate1accumualte2accumulaet2accumulatte1accumullate1accumultae2
Edit distance from "accumulate"

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 "accumulate"?
"accumulate" is spelled A-C-C-U-M-U-L-A-T-E. The IPA pronunciation is /əˈkjuːmjʊˌleɪt/.
What does "accumulate" mean?
As a verb, "accumulate" means: To heap up in a mass; to pile up; to collect or bring together (either literally or figuratively), often gradually and without active intent.
What words are commonly confused with "accumulate"?
"accumulate" is commonly confused with "accumulated", "accumulator". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "accumulate"?
The IPA (International Phonetic Alphabet) transcription for "accumulate" is /əˈkjuːmjʊˌleɪt/. 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 "accumulate"?
First attested c. 1487; from Middle English accumylaten, borrowed from Latin accumulātus, perfect passive participle of accumulō (“to amass, pile up”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), formed from ad (“to, towar... 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.

Using “accumulate”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-C-C-U-M-U-L-A-T-E - every other letter order is a misspelling in standard orthography.
  • Say it as /əˈkjuːmjʊˌleɪt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “accumulated” - see the side-by-side comparison. accumulate vs accumulated
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list