three

/θɹiː/

//θɹiː// num

By · According to Wiktionary data (CC BY-SA) ·

"three" is a 5-letter English headword indexed on PlainSpell.

The verdict

“three” is in the everyday core of English, ranked #164 in English word frequency and used as a numeral.

#164
frequency rank, English
5
letters
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A numerical value after two and before four. Represented in Arabic digits as 3; this many dots (•••).

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

three vs tre
60% similar
three vs true
60% similar
three vs tree
80% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for three
PropertyValue
Headwordthree
LanguageEnglish
Part of speechNumeral
IPA/θɹiː/
Letters5
Frequency rank#164
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “three” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). three lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for three is 5 letters long, classified as a numeral, and transcribed in the International Phonetic Alphabet as /θɹiː/. Corpus data places it at rank #164 in overall English word frequency, putting it firmly in the everyday core of the language. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 6 likely wrong-spelling variants for three, with forms such as "htree", "thhree", and "thre". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "tre", "true", "tree", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English thre, threo, thrie, thri, from Old English þrī, from Proto-West Germanic *þrīʀ, from Proto-Germanic *þrīz, from Proto-Indo-European *tréyes. Doublet of tres and trey. Cognate with German drei, Albanian tre, Armenian երեք (erekʻ), Latin t… The correct English form is three, spelled T-H-R-E-E.

Definition

  1. 1
    A numerical value after two and before four. Represented in Arabic digits as 3; this many dots (•••).
  2. 2
    Describing a set or group with three elements.

Etymology

From Middle English thre, threo, thrie, thri, from Old English þrī, from Proto-West Germanic *þrīʀ, from Proto-Germanic *þrīz, from Proto-Indo-European *tréyes. Doublet of tres and trey. Cognate with German drei, Albanian tre, Armenian երեք (erekʻ), Latin trēs, Latvian trīs, Lithuanian trỹs, Greek τρεῖς (treís), Old Church Slavonic трьѥ (trĭje), and others.

Synonyms

leashtether

This word in other languages

tres(Español)trois(Français)drei(Deutsch)três(Português)

Common misspellings

Also misspelled as: htree,thhree,thre,thrree,trhee,tthree

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of three - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

htree2thhree1thre1thrree1trhee2tthree1
Edit distance from "three"

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

How do you spell "three"?
"three" is spelled T-H-R-E-E. The IPA pronunciation is /θɹiː/.
What does "three" mean?
As a numeral, "three" means: A numerical value after two and before four. Represented in Arabic digits as 3; this many dots (•••).
What words are commonly confused with "three"?
"three" is commonly confused with "tre", "true", "tree". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "three"?
The IPA (International Phonetic Alphabet) transcription for "three" is /θɹiː/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "three"?
From Middle English thre, threo, thrie, thri, from Old English þrī, from Proto-West Germanic *þrīʀ, from Proto-Germanic *þrīz, from Proto-Indo-European *tréyes. Doublet of tres and trey. Cognate with German drei, Albanian tre, Armenian երեք (erekʻ... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “three”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is T-H-R-E-E - every other letter order is a misspelling in standard orthography.
  • Say it as /θɹiː/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “tre” - see the side-by-side comparison. three vs tre
  • 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list