siftingvssigningConfusable pair

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

Which to use

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

#34,284
“sifting” frequency rank
#3,654
“signing” frequency rank
37938
confusion score

Side-by-Side Comparison

Feature sifting signing
Definition present participle and gerund of sift The act of concluding a contract, especially by an athlete or entertainer with a company.

Letter map: sifting vs signing

Shared letters muted; letters that set sifting and signing apart highlighted. Shared run: 5. sifting and signing follow the identical consonant-vowel pattern (CVCCVCC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
sifting
7 ch
signing

Role in the sentence - sifting and signing

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sifting is averb and signinganoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 37938, derived from the frequency rank of both members and their visual similarity.

sifting is recorded at frequency rank #34,284, classified as averb. signing is at rank #3,654, tagged as anoun, pronounced /ˈsaɪnɪŋ/.

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 37938, this pair ranks #290,225 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sifting vs signing

Shared letters: gins. Private to "sifting": ft. Private to "signing": -.

"sifting" · 7 letters · shape CVCCVCC  ·  "signing" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • sifting ← isfting · sfiting · siffting · sifitng · siftign · siftingg · siftinng · siftnig
  • signing ← isgning · sgining · siggning · siginng · signign · signingg · signinng · signnig

Frequently Asked Questions

Can "sifting" and "signing" be used interchangeably?
No - they are not even the same part of speech. "sifting" is a verb and "signing" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sifting" or "signing" show up more?
"signing" is the more common of the two: it sits at frequency rank #3,654 in our English list, against #34,284 for "sifting". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "sifting" vs "signing" is on the table, pick a follow-up below.

  • Full dictionary entry for "sifting" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "signing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #290,225 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sifting" and "signing" also get mixed up with nearby pairs, the highest-scored neighbour is "sifting vs suiting". 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 #290,225 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