petra
"petra" is a 5-letter English headword indexed on PlainSpell.
The verdict
“petra” is a moderately-common English word, ranked #20,457 in English word frequency and used as a noun.
- #20,457
- frequency rank, English
- 5
- letters
- 7
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - stone, a weight equal to 14 pounds.
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 | petra |
| Language | English |
| Part of speech | Noun |
| Letters | 5 |
| Frequency rank | #20,457 |
| Misspellings tracked | 7 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “petra” sits in English frequency
Spelling & Dictionary Insight
The English entry for petra is 5 letters long, classified as a noun. Corpus data places it at rank #20,457 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "stone, a weight equal to 14 pounds.".
Our generated misspelling index lists 7 likely wrong-spelling variants for petra, with forms such as "eptra", "perta", and "petar". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "PTA", "PRA", "pets", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From Latin petra (“rock”). Doublet of piedra. The correct English form is petra, spelled P-E-T-R-A.
Definition
- 1stone, a weight equal to 14 pounds.
Etymology
From Latin petra (“rock”). Doublet of piedra.
Common misspellings
Also misspelled as: eptra,perta,petar,petrra,pettra,ppetra,ptera
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of petra - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 “petra”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-E-T-R-A - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “PTA” - see the side-by-side comparison. petra vs PTA
- 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.