triad
/ˈtɹaɪ.æd/
"triad" is a 5-letter English headword indexed on PlainSpell.
The verdict
“triad” is a moderately-common English word, ranked #21,685 in English word frequency and used as a noun.
- #21,685
- frequency rank, English
- 5
- letters
- 7
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A grouping of three.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | triad |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈtɹaɪ.æd/ |
| Letters | 5 |
| Frequency rank | #21,685 |
| Misspellings tracked | 7 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “triad” sits in English frequency
Spelling & Dictionary Insight
The English entry for triad is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈtɹaɪ.æd/. Corpus data places it at rank #21,685 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 7 likely wrong-spelling variants for triad, with forms such as "rtiad", "tirad", and "traid". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "trip", "trio", "trim", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: PIE word *tréyes From Latin triad-, stem of trias (“three, triad”), from Ancient Greek τριάς (triás). By surface analysis, tri- + -ad. Sense 3 (“branch of a Chinese underground criminal society”) is due to the word being applied by the British authorities … The correct English form is triad, spelled T-R-I-A-D.
Definition
- 1A grouping of three.
- 2A word of three syllables.
- 3A branch of a Chinese underground criminal society, mostly based in Hong Kong.
- 4On a CRT display, a group of three neighbouring phosphor dots, coloured green, red, and blue.
- 5A chord consisting of a root tone, the tone two degrees higher, and the tone four degrees higher in a given scale OR any chord with three notes.
Etymology
PIE word *tréyes From Latin triad-, stem of trias (“three, triad”), from Ancient Greek τριάς (triás). By surface analysis, tri- + -ad. Sense 3 (“branch of a Chinese underground criminal society”) is due to the word being applied by the British authorities to underground society in Hong Kong based on the geometry of the Chinese character, derived from a name used by some of those societies, 三合會 /三合会 (sānhéhuì, “Three Harmonies Society”), referring to the union between heaven, earth, and humanity.
This word in other languages
Common misspellings
Also misspelled as: rtiad,tirad,traid,triadd,trida,trriad,ttriad
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of triad - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 “triad”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is T-R-I-A-D - every other letter order is a misspelling in standard orthography.
- Say it as /ˈtɹaɪ.æd/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “trip” - see the side-by-side comparison. triad vs trip
- Browse more English words and confusable pairs in the same reference. English words
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.