spivssunTell them apart

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

Which to use

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

#49,369
“spi” frequency rank
#6,897
“sun” frequency rank
56266
confusion score

Side-by-Side Comparison

Feature spi sun
Definition Spirituel (au sens religieux). Chanter

Letter map: spi vs sun

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

3 ch
spi
3 ch
sun

Part-of-speech tell for spi / sun

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: spi is anadjective and sunaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 56266, derived from the frequency rank of both members and their visual similarity.

spi is recorded at frequency rank #49,369, classified as anadj, pronounced \spi\. 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 56266, this pair ranks #122,174 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of spi vs sun

Shared letters: s. Private to "spi": ip. Private to "sun": nu.

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

Frequently Asked Questions

Is swapping "spi" for "sun" ever safe?
No - they are not even the same part of speech. "spi" is an adjective and "sun" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "spi" vs "sun" - which ranks higher?
"sun" is the more common of the two: it sits at frequency rank #6,897 in our French list, against #49,369 for "spi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "spi" vs "sun" is on the table, pick a follow-up below.

  • Full dictionary entry for "spi" 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 #122,174 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "spi" and "sun" also get mixed up with nearby pairs, the highest-scored neighbour is "spi vs suu". Nearby pair

Confusion rank #122,174 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