sunvssuppWhich spelling fits?

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

Which to use

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

#1,154
“sun” frequency rank
#33,869
“supp” frequency rank
35023
confusion score

Side-by-Side Comparison

Feature sun supp
Definition The star that is closest to the Earth. A support (in a competitive video game, a player or character who supports or heals their team's players rather than directly engaging enemies).

Letter map: sun vs supp

Shared letters muted; letters that set sun and supp apart highlighted. Shared run: 2.

3 ch
sun
4 ch
supp

Grammar separator: sun vs supp

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sun is aname and suppanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 35023, derived from the frequency rank of both members and their visual similarity.

sun is recorded at frequency rank #1,154, classified as aname, pronounced /sʌn/. supp is at rank #33,869, tagged as anoun.

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 35023, this pair ranks #315,554 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sun vs supp

Shared letters: su. Private to "sun": n. Private to "supp": p.

"sun" · 3 letters · shape CVC  ·  "supp" · 4 letters · shape CVCC

Known mistypes of this pair

  • suppspup · ssupp · uspp

Frequently Asked Questions

Do "sun" and "supp" mean the same thing in a sentence?
No - they are not even the same part of speech. "sun" is a name and "supp" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sun" or "supp" show up more?
"sun" is the more common of the two: it sits at frequency rank #1,154 in our English list, against #33,869 for "supp". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "sun" and "supp".

  • Full dictionary entry for "sun" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "supp" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #315,554 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sun" and "supp" also get mixed up with nearby pairs, the highest-scored neighbour is "supp vs sura". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #315,554 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list