cubbyvscubeWhich spelling fits?

Which to use

“cubby” and “cube” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#49,853
“cubby” frequency rank
#9,312
“cube” frequency rank
59165
confusion score

Side-by-Side Comparison

Feature cubby cube
Definition A small, confined space. A regular polyhedron having six identical square faces.

Where the eye mixes cubby and cube

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
cubby
4 ch
cube

Look-alike desk: cubby vs cube

A purely visual mix-up. cubby (/kʌbi/) and cube (/kjuːb/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59165, derived from the frequency rank of both members and their visual similarity.

cubby is recorded at frequency rank #49,853, classified as anoun, pronounced /kʌbi/. cube is at rank #9,312, tagged as anoun, pronounced /kjuːb/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 59165, this pair ranks #107,894 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of cubby vs cube

Shared letters: bcu. Private to "cubby": y. Private to "cube": e.

"cubby" · 5 letters · shape CVCCV  ·  "cube" · 4 letters · shape CVCV

Known mistypes of this pair

  • cubbycbuby · ccubby · cubbyy · cuby · cubyb · ucbby
  • cubecbue · ccube · cubbe · cueb · ucbe

Frequently Asked Questions

Is swapping "cubby" for "cube" ever safe?
No. They are said differently (/kʌbi/ versus /kjuːb/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cubby" or "cube"?
"cube" is the more common of the two: it sits at frequency rank #9,312 in our English list, against #49,853 for "cubby". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "cubby" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cube" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #107,894 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cubby" and "cube" also get mixed up with nearby pairs, the highest-scored neighbour is "cubby vs cuny". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #107,894 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list