SeaTac
"seatac" is a 6-letter English headword indexed on PlainSpell.
The verdict
“SeaTac” is uncommon English (frequency #84,725 among 54,294 “S” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #84,725
- frequency rank, English
- 54,294
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A city in southern King County, Washington, United States.
| Property | Value |
|---|---|
| Headword | SeaTac |
| Language | English |
| Part of speech | Proper noun |
| Letters | 6 |
| Frequency rank | #84,725 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “SeaTac” sits in English frequency
Rare enough to double-check
SeaTac is uncommon English at frequency #84,725 among 54,294 “S” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A city in southern King County, Washington, United States.".
The misspelling generator found no plausible variants for SeaTac, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: Derived from Sea-Tac (“Seattle–Tacoma International Airport”). The correct English form is SeaTac, spelled S-E-A-T-A-C.
Definition
- 1A city in southern King County, Washington, United States.
Etymology
Derived from Sea-Tac (“Seattle–Tacoma International Airport”).
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 “SeaTac”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-E-A-T-A-C - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.