cubic
/ˈkjuː.bɪk/
"cubic" is a 5-letter English headword indexed on PlainSpell.
The verdict
“cubic” is a moderately-common English word, ranked #11,009 in English word frequency and used as an adjective.
- #11,009
- frequency rank, English
- 5
- letters
- 7
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Used in the names of units of volume formed by multiplying a unit of length by itself twice.
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 | cubic |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈkjuː.bɪk/ |
| Letters | 5 |
| Frequency rank | #11,009 |
| Misspellings tracked | 7 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “cubic” sits in English frequency
Spelling & Dictionary Insight
The English entry for cubic is 5 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈkjuː.bɪk/. Corpus data places it at rank #11,009 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 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 cubic, with forms such as "cbuic", "ccubic", and "cubbic". 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, "Cui", "Cubs", "cutie", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From Middle French cubique, equivalent to cube + -ic. The correct English form is cubic, spelled C-U-B-I-C.
Definition
- 1Used in the names of units of volume formed by multiplying a unit of length by itself twice.
- 2Relating to polynomials of the form ax³+bx²+cx+d.
- 3Having three equal axes and all angles 90°.
Etymology
From Middle French cubique, equivalent to cube + -ic.
This word in other languages
Common misspellings
Also misspelled as: cbuic,ccubic,cubbic,cubci,cubicc,cuibc,ucbic
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of cubic - 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 "cubic"?
What does "cubic" mean?
What words are commonly confused with "cubic"?
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Using “cubic”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-U-B-I-C - every other letter order is a misspelling in standard orthography.
- Say it as /ˈkjuː.bɪk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “Cui” - see the side-by-side comparison. cubic vs Cui
- 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.