sea stack
/ˈsiː ˌstæk/
"sea-stack" is a 8-letter English headword indexed on PlainSpell.
The verdict
“sea stack” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A pillar of rock that rises from the ocean, formed by surrounding softer ground eroding away.
Corpus desk
Index EN-sea-stack · sea stack · English
sea stack · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "S" 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 | sea stack |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈsiː ˌstæk/ |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “sea stack” in English
Rare enough to double-check
sea stack is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈsiː ˌstæk/. Rarity is why readers land here mid-draft. Gloss: "A pillar of rock that rises from the ocean, formed by surrounding softer ground eroding away.".
sea stack doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From sea + stack (“a heap, pile; large vertical column of rock in the sea”); stack is derived from Middle English stak (“a heap, pile, stack; large vertical column of rock in the sea”) [and other forms], from Old Norse stakkr (“a heap, pile; haystack; barn”… The correct English form is sea stack, spelled S-E-A- -S-T-A-C-K.
Definition
- 1A pillar of rock that rises from the ocean, formed by surrounding softer ground eroding away.
Recorded use
Wiktionary examplesThese source excerpts show how sea stack appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The sea-gull sprang upwards from where he had floated on the ripple, and hied him slowly away to his lodge in his deep sea-stack; the dusky cormorant flitted past, with heavier and more frequent stroke, to his whitened shelf high on the precipice; [...]
That this defile may have been partly eroded by the action of the sea is also very probable; and there are certain isolated pinnacles and irregular columns of agglomerate in its immediate neighbourhood which have all the appearance of being old sea-stacks.
Etymology
From sea + stack (“a heap, pile; large vertical column of rock in the sea”); stack is derived from Middle English stak (“a heap, pile, stack; large vertical column of rock in the sea”) [and other forms], from Old Norse stakkr (“a heap, pile; haystack; barn”) (compare Faroese stakkur (“sea stack”)), from Proto-Germanic *stakkaz (“pile of hay, haystack”), ultimately from Proto-Indo-European *(s)teg- (“beam, pole, stick”).
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.