assembler

/əˈsɛmb(ə)lɚ/

//əˈsɛmb(ə)lɚ// noun

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

The verdict

“assembler” has 12 generated spelling variants in the English index at frequency #42,006. The variants make it a useful spelling check.

#42,006
frequency rank, English
3,931
“A” headwords
12
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 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.

Corpus desk

Index EN-assembler · assembler · English

assembler · rank #42,006 · 12 variants · 3 confusables

  • FREQ-MID #42,006
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 3 pairs
  • VAR-MID 12 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH Asad

Nearest frequency peer: Asad (-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 “assembler”

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

corpus weight

What this shows “assembler” 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

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)

Frequency seat of misspelling magnet “assembler”

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

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “Asad” (#42,005), “asymptotic” (#42,007), “Arran” (#42,004). Among 3,931 “A” headwords, “assembler” is #42,006. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around assembler (IPA /əˈsɛmb(ə)lɚ/), anoun. Corpus frequency is #42,006 among 3,931 “A” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

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.

Recorded use

Wiktionary examples

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

  1. The system includes an 8080 and a Z80 assembler, a Tektronix format downloader and other utilities.
  2. I wrote that program in assembler.

Etymology

From assemble + -er.

Synonyms

This word in other languages

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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "assembler", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list