assembler

/əˈsɛmb(ə)lɚ/

//əˈsɛmb(ə)lɚ// noun

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

"assembler" is a 9-letter English headword indexed on PlainSpell.

The verdict

“assembler” is a moderately-common English word, ranked #42,006 in English word frequency and used as a noun.

#42,006
frequency rank, English
9
letters
12
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A program that reads source code written in assembly language and produces executable machine code, possibly together with information needed by linkers, debuggers and other tools.

Visual similarity to commonly confused words

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

assembler vs assembly
78% similar
assembler vs assemble
89% similar
assembler vs assembled
89% similar

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

Key facts for assembler
PropertyValue
Headwordassembler
LanguageEnglish
Part of speechNoun
IPA/əˈsɛmb(ə)lɚ/
Letters9
Frequency rank#42,006
Misspellings tracked12
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “assembler” 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). assembler 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 assembler is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /əˈsɛmb(ə)lɚ/. Corpus data places it at rank #42,006 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 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 assembler, with forms such as "asembler", "asesmbler", and "assebmler". 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 3 confusable-pair relationships, "assembly", "assemble", "assembled", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From assemble + -er. The correct English form is assembler, spelled A-S-S-E-M-B-L-E-R.

Definition

  1. 1
    A program that reads source code written in assembly language and produces executable machine code, possibly together with information needed by linkers, debuggers and other tools.
  2. 2
    Assembly language.
  3. 3
    One who assembles items.
  4. 4
    A nanodevice capable of assembling nanodevices, possibly including copies of itself, according to a plan.

Etymology

From assemble + -er.

Synonyms

assemblyassembly language

This word in other languages

assembleur(Français)Assembler(Deutsch)

Common misspellings

Also misspelled as: asembler,asesmbler,assebmler,assembbler,assembelr,assemblerr,assembller,assemblre,assemlber,assemmbler,assmebler,sasembler

Misspelling Pattern Breakdown

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

asembler1asesmbler2assebmler2assembbler1assembelr2assemblerr1assembller1assemblre2
Edit distance from "assembler"

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 "assembler"?
"assembler" is spelled A-S-S-E-M-B-L-E-R. The IPA pronunciation is /əˈsɛmb(ə)lɚ/.
What does "assembler" mean?
As a noun, "assembler" means: A program that reads source code written in assembly language and produces executable machine code, possibly together with information needed by linkers, debuggers and other tools.
What words are commonly confused with "assembler"?
"assembler" is commonly confused with "assembly", "assemble", "assembled". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "assembler"?
The IPA (International Phonetic Alphabet) transcription for "assembler" is /əˈsɛmb(ə)lɚ/. 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 "assembler"?
From assemble + -er. 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 “assembler”

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-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /əˈsɛmb(ə)lɚ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “assembly” - see the side-by-side comparison. assembler vs assembly
  • 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