unit
/ˈjuː.nɪt/
"unit" is a 4-letter English headword indexed on PlainSpell.
The verdict
“unit” is a regularly-used English word, ranked #1,209 in English word frequency and used as a noun.
- #1,209
- frequency rank, English
- 4
- letters
- 5
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Oneness, singularity, seen as a component of a whole number; a magnitude of one.
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 | unit |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈjuː.nɪt/ |
| Letters | 4 |
| Frequency rank | #1,209 |
| Misspellings tracked | 5 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “unit” sits in English frequency
Spelling & Dictionary Insight
The English entry for unit is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈjuː.nɪt/. Corpus data places it at rank #1,209 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 26 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 5 likely wrong-spelling variants for unit, with forms such as "nuit", "uint", and "unitt". 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, "UT", "uno", "Uri", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: Formerly unite, a later form of unity; see unity. The correct English form is unit, spelled U-N-I-T.
Definition
- 1Oneness, singularity, seen as a component of a whole number; a magnitude of one.
- 2A standard measure of a quantity or magnitude.
- 3The number one.
- 4Ellipsis of international unit.
- 5An organized group comprising people and/or equipment.
- 6A course, lesson, or section of a curriculum covering a particular topic or skill.
- 7A member of a military organization.
- 8An item which may be sold singly.
- 9Any piece of equipment, such as an appliance, power tool, stereo system, computer, tractor, or machinery.
- 10A structure used to display goods for sale (usually containing shelves, pegs or hooks)
- 11A measure of housing equivalent to the living quarters of one household; an apartment where a group of apartments is contained in one or more multi-storied buildings or a group of dwellings is in one or more single storey buildings, usually arranged around a driveway.
- 12A quantity of approximately 517 milliliters (1.1 U.S. pints) of blood.
- 13Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organization.
- 14An organization title of a subdivision of a group in a task force.
- 15A standard or basic quantity into which an item of supply is divided, issued, or detailed. In this meaning, also called unit of issue.
- 16With regard to Reserve Components of the Armed Forces, denotes a Selected Reserve unit organized, equipped, and trained for mobilization to serve on active duty as a unit or to augment or be augmented by another unit. Headquarters and support functions without wartime missions are not considered units.
- 17The identity element, neutral element.
- 18An element having an inverse, an invertible element; an associate of the unity.
- 19In an adjunction, a natural transformation from the identity functor of the domain of the left adjoint functor to the composition of the right adjoint functor with the left adjoint functor.
- 20A volume of rock or ice of identifiable origin and age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it.
- 21A unit of alcohol.
- 22One kilowatt-hour (as recorded on an electricity meter).
- 23A gold coin of the reign of James I, worth twenty shillings.
- 24A work unit.
- 25A physically large person.
- 26A penis, especially a large one.
Etymology
Formerly unite, a later form of unity; see unity.
Synonyms
This word in other languages
Common misspellings
Also misspelled as: nuit,uint,unitt,unnit,unti
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of unit - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 "unit"?
What does "unit" mean?
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Is PlainSpell free to use?
Using “unit”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-N-I-T - every other letter order is a misspelling in standard orthography.
- Say it as /ˈjuː.nɪt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “UT” - see the side-by-side comparison. unit vs UT
- 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.