Tyrannosaurus rex
/taɪˌɹænəˈsɔːɹəs ˈɹɛks/
"tyrannosaurus-rex" is a 16-letter English headword indexed on PlainSpell.
The verdict
“Tyrannosaurus rex” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 17
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A giant carnivorous theropod dinosaur from the Cretaceous period.
Corpus desk
Index EN-tyrannosaurus-rex · Tyrannosaurus rex · English
Tyrannosaurus rex · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 17 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "T" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | Tyrannosaurus rex |
| Language | English |
| Part of speech | Noun |
| IPA | /taɪˌɹænəˈsɔːɹəs ˈɹɛks/ |
| Letters | 17 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Tyrannosaurus rex” in English
Rare enough to double-check
Tyrannosaurus rex is uncommon English outside the top frequency list, classed as anoun, transcribed /taɪˌɹænəˈsɔːɹəs ˈɹɛks/. Rarity is why readers land here mid-draft. Gloss: "A giant carnivorous theropod dinosaur from the Cretaceous period.".
Tyrannosaurus rex has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This headword's origin isn't recorded in our source data, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is Tyrannosaurus rex, spelled T-Y-R-A-N-N-O-S-A-U-R-U-S- -R-E-X.
Definition
- 1A giant carnivorous theropod dinosaur from the Cretaceous period.
Recorded use
Wiktionary examplesThese source excerpts show how Tyrannosaurus rex appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Some of the most spectacular beasts in East Coast museums happen to be Tyrannosaurus rexes from Montana.
"Now, Dr. Richgels, you picked a folder from the story box. Could you show us the one that you picked?" Mine shows two Tyrannosaurus rexes fighting […]
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). See the methodology for how each field is sourced and updated.