petra
"petra" is a 5-letter English headword indexed on PlainSpell.
The verdict
“petra” has 7 generated spelling variants in the English index at frequency #20,457. The variants make it a useful spelling check.
- #20,457
- frequency rank, English
- 4,417
- “P” headwords
- 7
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - stone, a weight equal to 14 pounds.
Corpus desk
Index EN-petra · petra · English
petra · rank #20,457 · 7 variants · 20 confusables
- FREQ-MID #20,457
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-MID 7 variants
- BOOK-MID 4,417
- PHOTO-FINISH petit
Nearest frequency peer: petit (-1 rank slots)
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.
Frequency neighbourhood for “petra”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- parsley
parsley
79,547 corpus weight
- pendulum
pendulum
79,546 corpus weight
- petit
petit
79,545 corpus weight
- petra
petra
79,544 corpus weight
- picket
picket
79,543 corpus weight
- poignant
poignant
79,541 corpus weight
What this shows Bars show where “petra” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
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
A misspelling magnet
The generator records 7 spelling variants around petra, anoun. Corpus frequency is #20,457 among 4,417 “P” headwords. Dominant gloss: "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.
Recorded use
Wiktionary exampleThese source excerpts show how petra appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Generally, however, the stone or petra, almost always of 14 lbs., is used, the tod of 28 lbs., and the sack of thirteen stone.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
How do you spell "petra"?
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "petra", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (7 here; floor ≥5).
What to do next
You've looked up "petra". Here's where to go from here.
- "petra" maps to 20 confusable pairs in this vintage; the highest-scored is "PTA". View pair
- 7 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
- Usage frequency rank #20,457 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "P" letter cohort. P–Z browse
- PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
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.