seovssonWhich spelling fits?

Which to use

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

#12,714
“seo” frequency rank
#40
“son” frequency rank
12754
confusion score

Side-by-Side Comparison

Feature seo son
Definition Templo cristiano, donde tiene sede o cátedra un obispo, siendo así la iglesia principal de cada diócesis. Sonido rítmico.

Where the eye mixes seo and son

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
seo
3 ch
son

Visual trap between seo and son

A purely visual mix-up. seo ([ˈseo]) and son ([ˈsõn]) 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 12754, derived from the frequency rank of both members and their visual similarity.

seo is recorded at frequency rank #12,714, classified as anoun, pronounced [ˈseo]. son is at rank #40, tagged as anoun, pronounced [ˈsõn].

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 12754, this pair ranks #290,410 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seo vs son

Shared letters: os. Private to "seo": e. Private to "son": n.

"seo" · 3 letters · shape CVV  ·  "son" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "seo" for "son" ever safe?
No. They are said differently ([ˈseo] versus [ˈsõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "seo" or "son"?
"son" is the more common of the two: it sits at frequency rank #40 in our Spanish list, against #12,714 for "seo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "seo" and "son" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "seo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "son" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #290,410 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "seo" and "son" also get mixed up with nearby pairs, the highest-scored neighbour is "seo vs stem". Nearby pair

Confusion rank #290,410 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