son vs spy, What's the Difference?

Which to use

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

#40
“son” frequency rank: #48,092
“spy” frequency rank: 48132
confusion score

Side-by-Side Comparison

Feature	son	spy
Definition	Sonido rítmico.	Espía.

Where the eye mixes son and spy

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

3 ch

son

3 ch

spy

Visual trap between son and spy

A purely visual mix-up. son ([ˈsõn]) and spy (/spaɪ/) 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 48132, derived from the frequency rank of both members and their visual similarity.

son is recorded at frequency rank #40, classified as anoun, pronounced [ˈsõn]. spy is at rank #48,092, tagged as anoun, pronounced /spaɪ/.

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 48132, this pair ranks #116,171 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of son vs spy

Shared letters: s. Private to "son": no. Private to "spy": py.

"son" · 3 letters · shape CVC · "spy" · 3 letters · shape CCV

Frequently Asked Questions

Can "son" and "spy" be used interchangeably?

No. They are said differently ([ˈsõn] versus /spaɪ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "son" or "spy"?

"son" is the more common of the two: it sits at frequency rank #40 in our Spanish list, against #48,092 for "spy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

Full dictionary entry for "son" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "spy" - compare definitions side by side with the headword page. Word entry
This pair ranks #116,171 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"son" and "spy" also get mixed up with nearby pairs, the highest-scored neighbour is "sei vs spy". Nearby pair

Confusion rank #116,171 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.