trion
"trion" is a 5-letter English headword indexed on PlainSpell.
The verdict
“trion” is uncommon English (frequency #98,821 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.
- #98,821
- frequency rank, English
- 3,151
- “T” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A singlet state formed from three atoms of different colours
Corpus desk
Index EN-trion · trion · English
trion · rank #98,821 · 0 variants · 0 confusables
- FREQ-RARE #98,821
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,151
- PHOTO-FINISH trifolium
Nearest frequency peer: trifolium (-2 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 “trion”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- trackball
trackball
1,187 corpus weight
- Trappe
Trappe
1,185 corpus weight
- trifolium
trifolium
1,182 corpus weight
- trion
trion
1,180 corpus weight
- troppo
troppo
1,178 corpus weight
- tumulus
tumulus
1,172 corpus weight
What this shows Bars show where “trion” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | trion |
| Language | English |
| Part of speech | Noun |
| Letters | 5 |
| Frequency rank | #98,821 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “trion” sits in English frequency
Rare enough to double-check
trion is uncommon English at frequency #98,821 among 3,151 “T” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A singlet state formed from three atoms of different colours".
No misspelling variants are generated for trion in our index, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From tri- + -on. The correct English form is trion, spelled T-R-I-O-N.
Definition
- 1A singlet state formed from three atoms of different colours
Etymology
From tri- + -on.
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 "trion", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).
What to do next
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- Usage frequency rank #98,821 among English headwords in this corpus. Corpus statistics
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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.