tetrahedral
"tetrahedral" is a 11-letter English headword indexed on PlainSpell.
The verdict
“tetrahedral” is uncommon English (frequency #62,568 among 27,828 “T” headwords), classed as an adjective. The kind of spelling people second-guess.
- #62,568
- frequency rank, English
- 27,828
- “T” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of, relating to, or having the shape of a tetrahedron.
| Property | Value |
|---|---|
| Headword | tetrahedral |
| Language | English |
| Part of speech | Adjective |
| Letters | 11 |
| Frequency rank | #62,568 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “tetrahedral” sits in English frequency
Rare enough to double-check
tetrahedral is uncommon English at frequency #62,568 among 27,828 “T” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of, relating to, or having the shape of a tetrahedron.".
The misspelling generator found no plausible variants for tetrahedral, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From tetra- + -hedral. The correct English form is tetrahedral, spelled T-E-T-R-A-H-E-D-R-A-L.
Definition
- 1Of, relating to, or having the shape of a tetrahedron.
Etymology
From tetra- + -hedral.
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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Using “tetrahedral”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is T-E-T-R-A-H-E-D-R-A-L - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.