sighingvssigningWhich spelling fits?

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

Which to use

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

#34,285
“sighing” frequency rank
#3,654
“signing” frequency rank
37939
confusion score

Side-by-Side Comparison

Feature sighing signing
Definition Accompanied by or uttered with a sigh. The act of concluding a contract, especially by an athlete or entertainer with a company.

Where the eye mixes sighing and signing

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. sighing 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
sighing
7 ch
signing

Visual trap between sighing and signing

These two trip readers on the page rather than in the ear: sighing is /ˈsaɪ̯.ɪŋ/ while signing is /ˈsaɪnɪŋ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - h in “sighing” becomes n in “signing”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 37939, derived from the frequency rank of both members and their visual similarity.

sighing is recorded at frequency rank #34,285, classified as anadj, pronounced /ˈsaɪ̯.ɪŋ/. 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 37939, this pair ranks #290,216 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sighing vs signing

Shared letters: gins. Private to "sighing": h. Private to "signing": -.

"sighing" · 7 letters · shape CVCCVCC  ·  "signing" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • sighingisghing · sgihing · sigghing · sighhing · sighign · sighingg · sighinng · sighnig
  • signingisgning · sgining · siggning · siginng · signign · signingg · signinng · signnig

Frequently Asked Questions

Do "sighing" and "signing" mean the same thing in a sentence?
No - they are not even the same part of speech. "sighing" is an adjective and "signing" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sighing" 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 #34,285 for "sighing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "sighing" and "signing" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sighing" 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 #290,216 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sighing" and "signing" also get mixed up with nearby pairs, the highest-scored neighbour is "sighing vs siting". 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 #290,216 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