siftingvssighingTell them apart

Quick tell: sifting is a verb, sighing is an adjective, so they fill different roles in a sentence.

Which to use

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

#34,284
“sifting” frequency rank
#34,285
“sighing” frequency rank
68569
confusion score

Side-by-Side Comparison

Feature sifting sighing
Definition present participle and gerund of sift Accompanied by or uttered with a sigh.

Letter map: sifting vs sighing

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

Part-of-speech tell for sifting / sighing

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sifting is averb and sighinganadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 68569, derived from the frequency rank of both members and their visual similarity.

sifting is recorded at frequency rank #34,284, classified as averb. sighing is at rank #34,285, tagged as anadj, pronounced /ˈsaɪ̯.ɪŋ/.

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 68569, this pair ranks #58,316 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sifting vs sighing

Shared letters: gins. Private to "sifting": ft. Private to "sighing": h.

"sifting" · 7 letters · shape CVCCVCC  ·  "sighing" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • siftingisfting · sfiting · siffting · sifitng · siftign · siftingg · siftinng · siftnig
  • sighingisghing · sgihing · sigghing · sighhing · sighign · sighingg · sighinng · sighnig

Frequently Asked Questions

Is swapping "sifting" for "sighing" ever safe?
No - they are not even the same part of speech. "sifting" is a verb and "sighing" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sifting" or "sighing"?
"sifting" is the more common of the two: it sits at frequency rank #34,284 in our English list, against #34,285 for "sighing". 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 "sifting" and "sighing".

  • Full dictionary entry for "sifting" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sighing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #58,316 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sifting" and "sighing" 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 #58,316 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