tercentenary
"tercentenary" is a 12-letter English headword indexed on PlainSpell.
The verdict
“tercentenary” is uncommon English (frequency #93,229 among 27,828 “T” headwords), classed as a noun. The kind of spelling people second-guess.
- #93,229
- frequency rank, English
- 27,828
- “T” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Synonym of tricentennial (“a 300th anniversary”).
| Property | Value |
|---|---|
| Headword | tercentenary |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #93,229 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “tercentenary” sits in English frequency
Rare enough to double-check
tercentenary is uncommon English at frequency #93,229 among 27,828 “T” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Synonym of tricentennial (“a 300th anniversary”).".
The misspelling generator found no plausible variants for tercentenary, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From ter- + centenary, after Latin ter centēnī (“three hundred each”). The correct English form is tercentenary, spelled T-E-R-C-E-N-T-E-N-A-R-Y.
Definition
- 1Synonym of tricentennial (“a 300th anniversary”).
Etymology
From ter- + centenary, after Latin ter centēnī (“three hundred each”).
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 “tercentenary”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is T-E-R-C-E-N-T-E-N-A-R-Y - 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.