suppressingvssuppressionWhat's the difference?

Quick tell: suppressing is a verb, suppression is a noun, so they fill different roles in a sentence.

Which to use

“suppressing” is a verb and “suppression” is a noun - they look or sound alike but fill different roles in a sentence.

#20,240
“suppressing” frequency rank
#11,617
“suppression” frequency rank
31857
confusion score

Side-by-Side Comparison

Feature suppressing suppression
Definition present participle and gerund of suppress The act or instance of suppressing.

Letter map: suppressing vs suppression

Shared letters muted; letters that set suppressing and suppression apart highlighted. Shared run: 10.

11 ch
suppressing
11 ch
suppression

Part-of-speech tell for suppressing / suppression

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: suppressing is averb and suppressionanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 31857, derived from the frequency rank of both members and their visual similarity.

suppressing is recorded at frequency rank #20,240, classified as averb. suppression is at rank #11,617, tagged as anoun, pronounced /səˈpɹɛʃən/.

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 31857, this pair ranks #342,639 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of suppressing vs suppression

Shared letters: einprsu. Private to "suppressing": g. Private to "suppression": o.

"suppressing" · 11 letters · shape CVCCCVCCVCC  ·  "suppression" · 11 letters · shape CVCCCVCCVVC

Known mistypes of this pair

  • suppressingspupressing · ssuppressing · supperssing · suppresing · suppresisng · suppressign · suppressingg · suppressinng
  • suppressionspupression · ssuppression · supperssion · suppresion · suppresison · suppressino · suppressionn · suppressoin

Frequently Asked Questions

Is swapping "suppressing" for "suppression" ever safe?
No - they are not even the same part of speech. "suppressing" is a verb and "suppression" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "suppressing" vs "suppression" - which ranks higher?
"suppression" is the more common of the two: it sits at frequency rank #11,617 in our English list, against #20,240 for "suppressing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "suppressing" and "suppression".

  • Full dictionary entry for "suppressing" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suppression" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #342,639 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "suppressing" and "suppression" also get mixed up with nearby pairs, the highest-scored neighbour is "suppression vs suppressor". 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 #342,639 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