sixvssunWhat's the difference?

Which to use

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

#20,832
“six” frequency rank
#8,323
“sun” frequency rank
29155
confusion score

Side-by-Side Comparison

Feature six sun
Definition Palabra clave radiofónica del ICAO y NATO para la cifra 6. Sol₂.

Where the eye mixes six and sun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
six
3 ch
sun

Why the eye confuses six with sun

A purely visual mix-up. six ([ˈsɪks]) and sun (/sʌn/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 29155, derived from the frequency rank of both members and their visual similarity.

six is recorded at frequency rank #20,832, classified as anoun, pronounced [ˈsɪks]. sun is at rank #8,323, tagged as anoun, pronounced /sʌn/.

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 29155, this pair ranks #218,421 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of six vs sun

Shared letters: s. Private to "six": ix. Private to "sun": nu.

"six" · 3 letters · shape CVC  ·  "sun" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "six" for "sun" ever safe?
No. They are said differently ([ˈsɪks] versus /sʌn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "six" or "sun" show up more?
"sun" is the more common of the two: it sits at frequency rank #8,323 in our Spanish list, against #20,832 for "six". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "six" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #218,421 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "six" and "sun" also get mixed up with nearby pairs, the highest-scored neighbour is "sila vs six". Nearby pair

Confusion rank #218,421 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