assembly

/əˈsɛmb.lɪ/

//əˈsɛmb.lɪ// noun

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

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

The verdict

“assembly” is a regularly-used English word, ranked #2,425 in English word frequency and used as a noun.

#2,425
frequency rank, English
8
letters
11
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A set of pieces that work together in unison as a mechanism or device.

Visual similarity to commonly confused words

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

assembly vs assemble
88% similar
assembly vs assembled
78% similar
assembly vs assembler
78% similar

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

Key facts for assembly
PropertyValue
Headwordassembly
LanguageEnglish
Part of speechNoun
IPA/əˈsɛmb.lɪ/
Letters8
Frequency rank#2,425
Misspellings tracked11
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “assembly” 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). assembly 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 assembly is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /əˈsɛmb.lɪ/. Corpus data places it at rank #2,425 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 11 likely wrong-spelling variants for assembly, with forms such as "asembly", "asesmbly", and "assebmly". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 3 confusable-pair relationships, "assemble", "assembled", "assembler", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English assemblee, from Anglo-Norman asemblee (Old French asemblee, French assemblée). By surface analysis, assemble + -y. The correct English form is assembly, spelled A-S-S-E-M-B-L-Y.

Definition

  1. 1
    A set of pieces that work together in unison as a mechanism or device.
  2. 2
    The act or process of putting together a set of pieces, fragments, or elements.
  3. 3
    A congregation of people in one place for a purpose.
  4. 4
    A legislative body.
  5. 5
    A beat of the drum or sound of the bugle as a signal to troops to assemble.
  6. 6
    Ellipsis of assembly language.
  7. 7
    A building block of an application, similar to a DLL, but containing both executable code and information normally found in a DLL's type library. The type library information in an assembly, called a manifest, describes public functions, data, classes, and version information.

Etymology

From Middle English assemblee, from Anglo-Norman asemblee (Old French asemblee, French assemblée). By surface analysis, assemble + -y.

Synonyms

churchforegathering

This word in other languages

montaje(Español)groupe(Français)Baugruppe(Deutsch)produto(Português)

Common misspellings

Also misspelled as: asembly,asesmbly,assebmly,assembbly,assemblly,assemblyy,assembyl,assemlby,assemmbly,assmebly,sasembly

Misspelling Pattern Breakdown

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

asembly1asesmbly2assebmly2assembbly1assemblly1assemblyy1assembyl2assemlby2
Edit distance from "assembly"

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 "assembly"?
"assembly" is spelled A-S-S-E-M-B-L-Y. The IPA pronunciation is /əˈsɛmb.lɪ/.
What does "assembly" mean?
As a noun, "assembly" means: A set of pieces that work together in unison as a mechanism or device.
What words are commonly confused with "assembly"?
"assembly" is commonly confused with "assemble", "assembled", "assembler". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "assembly"?
The IPA (International Phonetic Alphabet) transcription for "assembly" is /əˈsɛmb.lɪ/. 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 "assembly"?
From Middle English assemblee, from Anglo-Norman asemblee (Old French asemblee, French assemblée). By surface analysis, assemble + -y. 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 “assembly”

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

  • The one correct English spelling is A-S-S-E-M-B-L-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /əˈsɛmb.lɪ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “assemble” - see the side-by-side comparison. assembly vs assemble
  • 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