Subiaco
"subiaco" is a 7-letter English headword indexed on PlainSpell.
The verdict
“Subiaco” is uncommon English (frequency #59,734 among 54,294 “S” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #59,734
- frequency rank, English
- 54,294
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A comune in Lazio, Italy.
| Property | Value |
|---|---|
| Headword | Subiaco |
| Language | English |
| Part of speech | Proper noun |
| Letters | 7 |
| Frequency rank | #59,734 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Subiaco” sits in English frequency
Rare enough to double-check
Subiaco is uncommon English at frequency #59,734 among 54,294 “S” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. 3 senses are on record.
Subiaco has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From Latin Sublaqueum. The correct English form is Subiaco, spelled S-U-B-I-A-C-O.
Definition
- 1A comune in Lazio, Italy.
- 2A suburb and local government area (the City of Subiaco) in Perth, Western Australia.
- 3A town in Logan County, Arkansas, United States.
Etymology
From Latin Sublaqueum.
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 “Subiaco”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-U-B-I-A-C-O - 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.