uranium
/jʊˈɹeɪniəm/
"uranium" is a 7-letter English headword indexed on PlainSpell.
The verdict
“uranium” is a regularly-used English word, ranked #9,002 in English word frequency and used as a noun.
- #9,002
- frequency rank, English
- 7
- letters
- 9
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.
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 | uranium |
| Language | English |
| Part of speech | Noun |
| IPA | /jʊˈɹeɪniəm/ |
| Letters | 7 |
| Frequency rank | #9,002 |
| Misspellings tracked | 9 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “uranium” sits in English frequency
Spelling & Dictionary Insight
The English entry for uranium is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /jʊˈɹeɪniəm/. Corpus data places it at rank #9,002 in overall English word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.".
Our generated misspelling index lists 9 likely wrong-spelling variants for uranium, with forms such as "ruanium", "uarnium", and "urainum". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 2 confusable-pair relationships, "Uranus", "urbanism", where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: After Uranus (the planet), + -ium. The correct English form is uranium, spelled U-R-A-N-I-U-M.
Definition
- 1The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.
Etymology
After Uranus (the planet), + -ium.
This word in other languages
Common misspellings
Also misspelled as: ruanium,uarnium,urainum,uranimu,uraniumm,urannium,uranuim,urnaium,urranium
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of uranium - 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
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Using “uranium”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-R-A-N-I-U-M - every other letter order is a misspelling in standard orthography.
- Say it as /jʊˈɹeɪniəm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “Uranus” - see the side-by-side comparison. uranium vs Uranus
- 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.