SSEvssupTell them apart

Quick tell: SSE is a name, sup is a verb, so they fill different roles in a sentence.

Which to use

“SSE” is a name and “sup” is a verb - they look or sound alike but fill different roles in a sentence.

#28,386
“SSE” frequency rank
#13,818
“sup” frequency rank
42204
confusion score

Side-by-Side Comparison

Feature SSE sup
Definition Initialism of Streaming SIMD Extensions, an extension to the x86 CPU instruction set architecture. To sip; to take a small amount of food or drink into the mouth, especially with a spoon.

Letter map: SSE vs sup

Shared letters muted; letters that set SSE and sup apart highlighted. Shared run: 1.

3 ch
SSE
3 ch
sup

Role in the sentence - SSE and sup

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: SSE is aname and supaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 42204, derived from the frequency rank of both members and their visual similarity.

SSE is recorded at frequency rank #28,386, classified as aname. sup is at rank #13,818, tagged as averb, pronounced /sʌp/.

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 42204, this pair ranks #251,383 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of SSE vs sup

Shared letters: s. Private to "SSE": e. Private to "sup": pu.

"SSE" · 3 letters · shape CCV  ·  "sup" · 3 letters · shape CVC

Frequently Asked Questions

Do "SSE" and "sup" mean the same thing in a sentence?
No - they are not even the same part of speech. "SSE" is a name and "sup" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "SSE" or "sup" show up more?
"sup" is the more common of the two: it sits at frequency rank #13,818 in our English list, against #28,386 for "SSE". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "SSE" vs "sup" is on the table, pick a follow-up below.

  • Full dictionary entry for "SSE" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sup" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #251,383 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "SSE" and "sup" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs SSE". Nearby pair

Confusion rank #251,383 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