sepsisvsstasisTell them apart

Which to use

“sepsis” and “stasis” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#28,714
“sepsis” frequency rank
#29,480
“stasis” frequency rank
58194
confusion score

Side-by-Side Comparison

Feature sepsis stasis
Definition A serious medical condition in which the whole body is inflamed, causing injury to its own tissues and organs as a response to infection. A slackening or arrest of the blood current, due not to a lessening of the heart’s beat, but to some abnormal resistance of the capillary walls.

Where the eye mixes sepsis and stasis

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sepsis (CVCCVC) and stasis (CCVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
sepsis
6 ch
stasis

Why the eye confuses sepsis with stasis

A purely visual mix-up. sepsis (/ˈsɛpsɪs/) and stasis (/ˈsteɪsɪs/) 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 58194, derived from the frequency rank of both members and their visual similarity.

sepsis is recorded at frequency rank #28,714, classified as anoun, pronounced /ˈsɛpsɪs/. stasis is at rank #29,480, tagged as anoun, pronounced /ˈsteɪsɪs/.

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 58194, this pair ranks #114,216 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sepsis vs stasis

Shared letters: is. Private to "sepsis": ep. Private to "stasis": at.

"sepsis" · 6 letters · shape CVCCVC  ·  "stasis" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • sepsis ← espsis · sepiss · seppsis · sepsiss · sepssi · sepssis · sespis · spesis
  • stasis ← satsis · sstasis · staiss · stasiss · stassi · stassis · stsais · sttasis

Frequently Asked Questions

Is swapping "sepsis" for "stasis" ever safe?
No. They are said differently (/ˈsɛpsɪs/ versus /ˈsteɪsɪs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "sepsis" vs "stasis" - which ranks higher?
"sepsis" is the more common of the two: it sits at frequency rank #28,714 in our English list, against #29,480 for "stasis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "sepsis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "stasis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #114,216 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sepsis" and "stasis" also get mixed up with nearby pairs, the highest-scored neighbour is "staid vs stasis". 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 #114,216 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