sacvsspaceWhich spelling fits?

Which to use

“sac” and “space” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#33,834
“sac” frequency rank
#16,224
“space” frequency rank
50058
confusion score

Side-by-Side Comparison

Feature sac space
Definition Bolsa. Espacio.

Where the eye mixes sac and space

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

3 ch
sac
5 ch
space

Why the eye confuses sac with space

A purely visual mix-up. sac (/sak/) and space (/speɪs/) 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 2 letter(s) in length. Our composite confusion score for this pair is 50058, derived from the frequency rank of both members and their visual similarity.

sac is recorded at frequency rank #33,834, classified as anoun, pronounced /sak/. space is at rank #16,224, tagged as anoun, pronounced /speɪs/.

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 50058, this pair ranks #105,326 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sac vs space

Shared letters: acs. Private to "sac": -. Private to "space": ep.

"sac" · 3 letters · shape CVC  ·  "space" · 5 letters · shape CCVCV

Known mistypes of this pair

  • spacepsace · sapce · spacce · spaec · spase · spcae · sppace · sspace

Frequently Asked Questions

Can "sac" and "space" be used interchangeably?
No. They are said differently (/sak/ versus /speɪs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "sac" or "space" show up more?
"space" is the more common of the two: it sits at frequency rank #16,224 in our Spanish list, against #33,834 for "sac". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "space" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #105,326 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sac" and "space" also get mixed up with nearby pairs, the highest-scored neighbour is "sac vs sari". 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 #105,326 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list