roc
/ɹɒk/
"roc" is a 3-letter English headword indexed on PlainSpell.
The verdict
“roc” sits in 20 confusable pairs (corpus #19,439) as a noun. The look-alike neighbours are the real trap.
- #19,439
- frequency rank, English
- 3,094
- “R” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An enormous mythical bird in Eastern legend.
Corpus desk
Index EN-roc · roc · English
roc · rank #19,439 · 0 variants · 20 confusables
- FREQ-MID #19,439
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH RH
Nearest frequency peer: RH (-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 “roc”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- reins
reins
80,565 corpus weight
- resurgence
resurgence
80,564 corpus weight
- RH
RH
80,563 corpus weight
- roc
roc
80,562 corpus weight
- rooster
rooster
80,560 corpus weight
- routed
routed
80,559 corpus weight
What this shows Bars show where “roc” 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 | roc |
| Language | English |
| Part of speech | Noun |
| IPA | /ɹɒk/ |
| Letters | 3 |
| Frequency rank | #19,439 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “roc” sits in English frequency
Easy to mix with look-alikes
The spelling risk for roc is neighbouring look-alikes ("RS", "RT", …), not just typos; it is anoun pronounced /ɹɒk/. Frequency #19,439 among 3,094 “R” headwords. Gloss: "An enormous mythical bird in Eastern legend.".
No generated misspelling entries exist for roc in our index, since its letter sequence doesn't invite the usual edit-distance slips. It also participates in 20 confusable-pair relationships, "RS", "RT", "RP", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: From Spanish rocho, ruc, from Arabic رُخّ (ruḵḵ), from Classical Persian رُخ (rux). The correct English form is roc, spelled R-O-C.
Definition
- 1An enormous mythical bird in Eastern legend.
Recorded use
Wiktionary exampleThese source excerpts show how roc appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The Arabian Nights Entertainment. Tale 4. Sinbad. The Second Voyage. "By this time the sun was about to set, and all of a sudden the sky became as dark as if it had been covered with a thick cloud. I was much astonished at this sudden darkness, but much more when I found it occasioned by a bird of a monstrous size, that came flying toward me. I remembered…
Etymology
From Spanish rocho, ruc, from Arabic رُخّ (ruḵḵ), from Classical Persian رُخ (rux).
Synonyms
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); 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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "roc", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).
What to do next
You've looked up "roc". Here's where to go from here.
- "roc" maps to 20 confusable pairs in this vintage; the highest-scored is "RS". View pair
- Usage frequency rank #19,439 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "R" letter cohort. R–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.