spyvssunWhat's the difference?

Quick tell: spy is a noun, sun is a verb, so they fill different roles in a sentence.

Which to use

“spy” is a noun and “sun” is a verb - they look or sound alike but fill different roles in a sentence.

#37,565
“spy” frequency rank
#6,897
“sun” frequency rank
44462
confusion score

Side-by-Side Comparison

Feature spy sun
Definition Espion. Chanter

Letter map: spy vs sun

Shared letters muted; letters that set spy and sun apart highlighted. Shared run: 1.

3 ch
spy
3 ch
sun

Role in the sentence - spy and sun

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: spy is anoun and sunaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 44462, derived from the frequency rank of both members and their visual similarity.

spy is recorded at frequency rank #37,565, classified as anoun, pronounced \spaɪ\. sun is at rank #6,897, tagged as averb.

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 44462, this pair ranks #210,285 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of spy vs sun

Shared letters: s. Private to "spy": py. Private to "sun": nu.

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

Frequently Asked Questions

Is swapping "spy" for "sun" ever safe?
No - they are not even the same part of speech. "spy" is a noun and "sun" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "spy" or "sun" show up more?
"sun" is the more common of the two: it sits at frequency rank #6,897 in our French list, against #37,565 for "spy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "spy" and "sun". Here's where to go from here.

  • Full dictionary entry for "spy" 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 #210,285 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "spy" and "sun" also get mixed up with nearby pairs, the highest-scored neighbour is "spy vs suu". Nearby pair

Confusion rank #210,285 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list