siftingvssizingWhich spelling fits?

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

Which to use

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

#34,284
“sifting” frequency rank
#22,506
“sizing” frequency rank
56790
confusion score

Side-by-Side Comparison

Feature sifting sizing
Definition present participle and gerund of sift A gelatinous glue for glazing or sizing canvas, paper, plaster or wood; often made from animal skins.

Letter map: sifting vs sizing

Shared letters muted; letters that set sifting and sizing apart highlighted. Shared run: 5.

7 ch
sifting
6 ch
sizing

Part-of-speech tell for sifting / sizing

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sifting is averb and sizinganoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56790, derived from the frequency rank of both members and their visual similarity.

sifting is recorded at frequency rank #34,284, classified as averb. sizing is at rank #22,506, tagged as anoun, pronounced /ˈsaɪzɪŋ/.

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 56790, this pair ranks #123,727 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sifting vs sizing

Shared letters: gins. Private to "sifting": ft. Private to "sizing": z.

"sifting" · 7 letters · shape CVCCVCC  ·  "sizing" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • siftingisfting · sfiting · siffting · sifitng · siftign · siftingg · siftinng · siftnig
  • sizingiszing · siizng · sizign · sizingg · sizinng · siznig · sizzing · ssizing

Frequently Asked Questions

Can "sifting" and "sizing" be used interchangeably?
No - they are not even the same part of speech. "sifting" is a verb and "sizing" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sifting" or "sizing" show up more?
"sizing" is the more common of the two: it sits at frequency rank #22,506 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.

Useful next steps

You've compared "sifting" and "sizing". Here's where to go from here.

  • Full dictionary entry for "sifting" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sizing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #123,727 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sifting" and "sizing" 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 #123,727 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