two

/tu/

//tu// num

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

"two" is a 3-letter English headword indexed on PlainSpell.

The verdict

“two” is in the everyday core of English, ranked #86 in English word frequency and used as a numeral.

#86
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A numerical value equal to 2; this many dots (••).

Visual similarity to commonly confused words

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

two vs TX
0% similar
two vs Ty
0% similar
two vs tye
33% similar

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

Key facts for two
PropertyValue
Headwordtwo
LanguageEnglish
Part of speechNumeral
IPA/tu/
Letters3
Frequency rank#86
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “two” 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). two 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 two is 3 letters long, classified as a numeral, and transcribed in the International Phonetic Alphabet as /tu/. Corpus data places it at rank #86 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.

No generated misspelling entries exist for two in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "TX", "Ty", "tye", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: PIE word *dwóh₁ From Middle English two, twa, from Old English twā, feminine and neuter of twēġen (whence twain), from Proto-West Germanic *twai-, from Proto-Germanic *twai, from Proto-Indo-European *dwóh₁. Cognates Cognate with Scots twa (“two”); North Fr… The correct English form is two, spelled T-W-O.

Definition

  1. 1
    A numerical value equal to 2; this many dots (••).
  2. 2
    Describing a set or group with two elements.

Etymology

PIE word *dwóh₁ From Middle English two, twa, from Old English twā, feminine and neuter of twēġen (whence twain), from Proto-West Germanic *twai-, from Proto-Germanic *twai, from Proto-Indo-European *dwóh₁. Cognates Cognate with Scots twa (“two”); North Frisian tou, tuu (“two”); Saterland Frisian twäin, two (“two”); West Frisian twa (“two”); Dutch twee (“two”); Low German twee, twei (“two”); German zwei, zwo (“two”); Danish and Norwegian to (“two”); Swedish två, tu (“two”); Icelandic tvö (“two”); Faroese tvey (“two”); Latin duō (“two”); Ancient Greek δύο (dúo, “two”); Irish dhá (“two”); Lithuanian dù (“two”); Russian два (dva, “two”); Albanian dy (“two”); Old Armenian երկու (erku, “two”); Sanskrit द्व (dvá, “two”); Tocharian A wu, Tocharian B wi. Doublet of duo. See also twain. Unrelated to similar words in Austronesian languages such as Malagasy roa; Tagalog and Cebuano dalawa; West Coast Bajau and Minangkabau duo; Buginese ᨉᨘᨓ (dua); Indonesian, Malay, Iban, Iranun, Ilocano, and Sundanese dua; Fijian, Māori, Rapa Nui, and Rotuman rua; Tongan and Niuean ua; Wallisian, Samoan, and Hawaiian lua; and South Marquesan 'ua; which originated from Proto-Austronesian *duSa.

This word in other languages

dos(Español)deux(Français)dois(Português)

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 "two"?
"two" is spelled T-W-O. The IPA pronunciation is /tu/.
What does "two" mean?
As a numeral, "two" means: A numerical value equal to 2; this many dots (••).
What words are commonly confused with "two"?
"two" is commonly confused with "TX", "Ty", "tye". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "two"?
The IPA (International Phonetic Alphabet) transcription for "two" is /tu/. 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 "two"?
PIE word *dwóh₁ From Middle English two, twa, from Old English twā, feminine and neuter of twēġen (whence twain), from Proto-West Germanic *twai-, from Proto-Germanic *twai, from Proto-Indo-European *dwóh₁. Cognates Cognate with Scots twa (“two”)... 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 “two”

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

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