assembly line
/əˈsɛmbli laɪːn/
"assembly-line" is a 12-letter English headword indexed on PlainSpell.
The verdict
“assembly line” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A system of workers and machinery in which a product is assembled in a series of consecutive operations; typically the product is conveyed by a continuously moving belt.
Corpus desk
Index EN-assembly-line · assembly line · English
assembly line · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 13 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "A" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | assembly line |
| Language | English |
| Part of speech | Noun |
| IPA | /əˈsɛmbli laɪːn/ |
| Letters | 13 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “assembly line” sits in English frequency
Rare enough to double-check
assembly line is uncommon English outside the top frequency list, classed as anoun, transcribed /əˈsɛmbli laɪːn/. Rarity is why readers land here mid-draft. Gloss: "A system of workers and machinery in which a product is assembled in a series of consecutive operations; typically the product is conveyed by a continuously moving belt.".
We couldn't generate a plausible misspelling set for assembly line, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
This entry's etymology isn't recorded, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is assembly line, spelled A-S-S-E-M-B-L-Y- -L-I-N-E.
Definition
- 1A system of workers and machinery in which a product is assembled in a series of consecutive operations; typically the product is conveyed by a continuously moving belt.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
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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.