septicvsstaticWhich spelling fits?

Which to use

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

#22,214
“septic” frequency rank
#6,629
“static” frequency rank
28843
confusion score

Side-by-Side Comparison

Feature septic static
Definition Of or pertaining to sepsis. Unchanging; that cannot or does not change.

Where the eye mixes septic and static

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
septic
6 ch
static

Why the eye confuses septic with static

A purely visual mix-up. septic (/ˈsep.tɪ̝k/) and static (/ˈstæt.ɪk/) 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 28843, derived from the frequency rank of both members and their visual similarity.

septic is recorded at frequency rank #22,214, classified as anadj, pronounced /ˈsep.tɪ̝k/. static is at rank #6,629, tagged as anadj, pronounced /ˈstæt.ɪk/.

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 28843, this pair ranks #367,849 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of septic vs static

Shared letters: cist. Private to "septic": ep. Private to "static": a.

"septic" · 6 letters · shape CVCCVC  ·  "static" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • septicesptic · sepitc · sepptic · septci · septicc · septtic · setpic · spetic
  • staticsattic · sstatic · staitc · statci · staticc · stattic · sttaic · sttatic

Frequently Asked Questions

Is swapping "septic" for "static" ever safe?
No. They are said differently (/ˈsep.tɪ̝k/ versus /ˈstæt.ɪk/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "septic" or "static" show up more?
"static" is the more common of the two: it sits at frequency rank #6,629 in our English list, against #22,214 for "septic". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "septic" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "static" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #367,849 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "septic" and "static" also get mixed up with nearby pairs, the highest-scored neighbour is "septic vs SETI". 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 #367,849 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