systemicvssystemsWhat's the difference?

Quick tell: systemic is a adjective, systems is a noun, so they fill different roles in a sentence.

Which to use

“systemic” is an adjective and “systems” is a noun - they look or sound alike but fill different roles in a sentence.

#10,620
“systemic” frequency rank
#916
“systems” frequency rank
11536
confusion score

Side-by-Side Comparison

Feature systemic systems
Definition Embedded within and spread throughout and affecting a whole system, group, body, economy, market, or society. plural of system

Where the eye mixes systemic and systems

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
systemic
7 ch
systems

Visual trap between systemic and systems

These two trip readers on the page rather than in the ear: systemic is /sɪˈstɛmɪk/ while systems is /ˈsɪstəmz/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11536, derived from the frequency rank of both members and their visual similarity.

systemic is recorded at frequency rank #10,620, classified as anadj, pronounced /sɪˈstɛmɪk/. systems is at rank #916, tagged as anoun, pronounced /ˈsɪstəmz/.

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 11536, this pair ranks #486,469 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of systemic vs systems

Shared letters: emsty. Private to "systemic": ci. Private to "systems": -.

"systemic" · 8 letters · shape CVCCVCVC  ·  "systems" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • systemicssystemic · ssytemic · sysetmic · sysstemic · systeimc · systemci · systemicc · systemmic
  • systemsssystems · ssytems · sysetms · sysstems · systemms · systemss · systesm · systmes

Frequently Asked Questions

Can "systemic" and "systems" be used interchangeably?
No - they are not even the same part of speech. "systemic" is an adjective and "systems" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "systemic" vs "systems" - which ranks higher?
"systems" is the more common of the two: it sits at frequency rank #916 in our English list, against #10,620 for "systemic". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "systemic" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "systems" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #486,469 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "systemic" and "systems" also get mixed up with nearby pairs, the highest-scored neighbour is "systemic vs systolic". 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 #486,469 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