redline
/ˈɹɛd.laɪn/
"redline" is a 7-letter English headword indexed on PlainSpell.
The verdict
“redline” has 10 generated spelling variants in the English index at frequency #43,873. The variants make it a useful spelling check.
- #43,873
- frequency rank, English
- 3,094
- “R” headwords
- 10
- tracked misspellings
- 9
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A drawing, document, etc. that has been marked for correction or modification.
Corpus desk
Index EN-redline · redline · English
redline · rank #43,873 · 10 variants · 9 confusables
- FREQ-MID #43,873
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-MID 9 pairs
- VAR-MID 10 variants
- BOOK-MID 3,094
- PHOTO-FINISH Recep
Nearest frequency peer: Recep (-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 “redline”
Same rarity band: useful when a typo lands on a peer headword
- Rafferty
Rafferty
56,132 corpus weight
- Recep
Recep
56,129 corpus weight
- redline
redline
56,128 corpus weight
- reefer
reefer
56,126 corpus weight
- refrigerant
refrigerant
56,124 corpus weight
- remarry
remarry
56,123 corpus weight
What this shows “redline” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | redline |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈɹɛd.laɪn/ |
| Letters | 7 |
| Frequency rank | #43,873 |
| Misspellings tracked | 10 |
| Confusable pairs | 9 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “redline”
A misspelling magnet
The generator records 10 spelling variants around redline (IPA /ˈɹɛd.laɪn/), anoun. Corpus frequency is #43,873 among 3,094 “R” headwords. Wiktionary lists 2 senses, so context still picks the gloss.
Our generated misspelling index lists 10 likely wrong-spelling variants for redline, with forms such as "erdline", "rdeline", and "reddline". 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 9 confusable-pair relationships, "refine", "relive", "redone", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From red + line, originating with the frequent use of red pen or pencil to mark corrections on drawings and documents (1), and the red markings on a tachometer (2). The correct English form is redline, spelled R-E-D-L-I-N-E.
Definition
- 1A drawing, document, etc. that has been marked for correction or modification.
- 2The maximum speed, temperature, pressure, etc., at which a device (such as the engine in a car, aircraft, etc.) is designed to operate.
Etymology
From red + line, originating with the frequent use of red pen or pencil to mark corrections on drawings and documents (1), and the red markings on a tachometer (2).
Common misspellings
Also misspelled as:
- erdline
- rdeline
- reddline
- redilne
- redlien
- redlinne
- redlline
- redlnie
- reldine
- rredline
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of redline - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 "redline"?
What does "redline" mean?
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "redline", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (10 here; floor ≥5).