protractor
/pɹəˈtɹæktə(ɹ)/
"protractor" is a 10-letter English headword indexed on PlainSpell.
The verdict
“protractor” is uncommon English (frequency #88,742 among 4,417 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #88,742
- frequency rank, English
- 4,417
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - One who, or that which, protracts, or causes protraction.
Corpus desk
Index EN-protractor · protractor · English
protractor · rank #88,742 · 0 variants · 0 confusables
- FREQ-RARE #88,742
- LEN-MEGA 10 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,417
- PHOTO-FINISH Proteas
Nearest frequency peer: Proteas (-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.
Long-tail ranks near “protractor”
Sparse band: bars invert rank so rarer forms read shorter
- prioress
prioress
11,263 corpus weight
- Proteas
Proteas
11,260 corpus weight
- protractor
protractor
11,259 corpus weight
- PRR
PRR
11,258 corpus weight
- psychomotor
psychomotor
11,256 corpus weight
- purchasable
purchasable
11,254 corpus weight
What this shows Long-tail view: where “protractor” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | protractor |
| Language | English |
| Part of speech | Noun |
| IPA | /pɹəˈtɹæktə(ɹ)/ |
| Letters | 10 |
| Frequency rank | #88,742 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “protractor” in English
Rare enough to double-check
protractor is uncommon English at frequency #88,742 among 4,417 “P” headwords, classed as anoun, transcribed /pɹəˈtɹæktə(ɹ)/. Rarity is why readers land here mid-draft. 5 senses are on record.
We couldn't generate a plausible misspelling set for protractor, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From protract + -or. The correct English form is protractor, spelled P-R-O-T-R-A-C-T-O-R.
Definition
- 1One who, or that which, protracts, or causes protraction.
- 2A circular or semicircular tool for drawing or measuring angles.
- 3An instrument formerly used in extracting foreign or offensive matter from a wound.
- 4A muscle that extends an organ or part; opposed to retractor.
- 5An adjustable pattern used by tailors.
Etymology
From protract + -or.
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.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "protractor", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).