coastline
"coastline" is a 9-letter English headword indexed on PlainSpell.
The verdict
“coastline” has 13 generated spelling variants in the English index at frequency #14,720. The variants make it a useful spelling check.
- #14,720
- frequency rank, English
- 5,599
- “C” headwords
- 13
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The shape, outline, or boundary of a coast. (The term coastline is generally used to describe the approximate boundaries at relatively large spatial scales.)
Corpus desk
Index EN-coastline · coastline · English
coastline · rank #14,720 · 13 variants · 1 confusable
- FREQ-MID #14,720
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-LOW 1 pairs
- VAR-HIGH 13 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH Choi
Nearest frequency peer: Choi (-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 “coastline”
Same rarity band: useful when a typo lands on a peer headword
- cheeky
cheeky
85,284 corpus weight
- chemist
chemist
85,283 corpus weight
- Choi
Choi
85,282 corpus weight
- coastline
coastline
85,281 corpus weight
- cobra
cobra
85,280 corpus weight
- collaborate
collaborate
85,279 corpus weight
What this shows “coastline” 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 | coastline |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #14,720 |
| Misspellings tracked | 13 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “coastline”
A misspelling magnet
The generator records 13 spelling variants around coastline, anoun. Corpus frequency is #14,720 among 5,599 “C” headwords. Dominant gloss: "The shape, outline, or boundary of a coast. (The term coastline is generally used to describe the approximate boundaries at relatively large spatial scales.)".
Our generated misspelling index lists 13 likely wrong-spelling variants for coastline, with forms such as "caostline", "ccoastline", and "coasltine". 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 1 confusable-pair relationship, "coasting", a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: From coast + line. The correct English form is coastline, spelled C-O-A-S-T-L-I-N-E.
Definition
- 1The shape, outline, or boundary of a coast. (The term coastline is generally used to describe the approximate boundaries at relatively large spatial scales.)
Recorded use
Wiktionary examplesThese source excerpts show how coastline appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The sweep of the rocky Southern California coastline off Point Fermin.
Tarbarrels and bonfires were lighted along the coastline of the four seas on the summits of the Hill of Howth, Three Rock Mountain, Sugarloaf, Bray Head, the mountains of Mourne, the Galtees, the Ox and Donegal and Sperrin peaks, the Nagles and the Bograghs, the Connemara hills, the reeks of M’ Gillicuddy, Slieve Aughty, Slieve Bernagh and Slieve Bloom.
Etymology
From coast + line.
This word in other languages
Common misspellings
Also misspelled as:
- caostline
- ccoastline
- coasltine
- coasstline
- coastilne
- coastlien
- coastlinne
- coastlline
- coastlnie
- coasttline
- coatsline
- cosatline
- ocastline
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of coastline - 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.
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 "coastline"?
What does "coastline" mean?
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "coastline", 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 (13 here; floor ≥5).