coaster
/ˈkəʊ̯s.tə/
"coaster" is a 7-letter English headword indexed on PlainSpell.
The verdict
“coaster” is a moderately-common English word, ranked #11,357 in English word frequency and used as a noun.
- #11,357
- frequency rank, English
- 7
- letters
- 10
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A person who originates from or inhabits a coastal area.
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 | coaster |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkəʊ̯s.tə/ |
| Letters | 7 |
| Frequency rank | #11,357 |
| Misspellings tracked | 10 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “coaster” sits in English frequency
Spelling & Dictionary Insight
The English entry for coaster is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈkəʊ̯s.tə/. Corpus data places it at rank #11,357 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 10 likely wrong-spelling variants for coaster, with forms such as "caoster", "ccoaster", and "coasetr". 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 20 confusable-pair relationships, "coated", "crater", "coasts", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From coast (“edge of the land where it meets an ocean, sea, gulf, bay, or large lake”) + -er (suffix forming agent nouns). Coast is derived from Middle English coste (“rib; side of the body, flank; side of a building; face of a solid figure; coast, shore; b… The correct English form is coaster, spelled C-O-A-S-T-E-R.
Definition
- 1A person who originates from or inhabits a coastal area.
- 2A sailor (especially the master or pilot of a vessel) who travels only in coastal waters.
- 3A merchant vessel that stays in coastal waters, especially one that travels between ports of the same country.
- 4Ellipsis of coaster trout (“the brook trout (Salvelinus fontinalis) in Lake Superior and Maine”).
- 5A cow from the coastal part of Texas.
- 6A prostitute, especially one of European descent, plying her trade in Chinese port towns.
Etymology
From coast (“edge of the land where it meets an ocean, sea, gulf, bay, or large lake”) + -er (suffix forming agent nouns). Coast is derived from Middle English coste (“rib; side of the body, flank; side of a building; face of a solid figure; coast, shore; bay, gulf; sea; concavity, hollow; boundary, limit; land; country; district, province, region; locality, place; division of the heavens; compass direction; direction; location with reference to direction, side”) [and other forms], from Old French coste (“rib; side of an object; coast”) (modern French côte (“rib; coast; hill, slope”)), from Latin costa (“rib; side, wall”).
This word in other languages
Common misspellings
Also misspelled as: caoster,ccoaster,coasetr,coasster,coasterr,coastre,coastter,coatser,cosater,ocaster
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of coaster - 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
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Using “coaster”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-A-S-T-E-R - every other letter order is a misspelling in standard orthography.
- Say it as /ˈkəʊ̯s.tə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “coated” - see the side-by-side comparison. coaster vs coated
- 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.