signatoryvssignatureWhat's the difference?

Which to use

“signatory” and “signature” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#32,179
“signatory” frequency rank
#4,713
“signature” frequency rank
36892
confusion score

Side-by-Side Comparison

Feature signatory signature
Definition One who signs or has signed something. A person's name, written by that person, used as identification or to signify approval of accompanying material, such as a legal contract.

Where the eye mixes signatory and signature

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. signatory and signature follow the identical consonant-vowel pattern (CVCCVCVCV). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
signatory
9 ch
signature

Why the eye confuses signatory with signature

A purely visual mix-up. signatory (/ˈsɪɡ.nə.tɹi/) and signature (/ˈsɪɡnət͡ʃə(ɹ)/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 36892, derived from the frequency rank of both members and their visual similarity.

signatory is recorded at frequency rank #32,179, classified as anoun, pronounced /ˈsɪɡ.nə.tɹi/. signature is at rank #4,713, tagged as anoun, pronounced /ˈsɪɡnət͡ʃə(ɹ)/.

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 36892, this pair ranks #299,238 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of signatory vs signature

Shared letters: aginrst. Private to "signatory": oy. Private to "signature": eu.

"signatory" · 9 letters · shape CVCCVCVCV  ·  "signature" · 9 letters · shape CVCCVCVCV

Known mistypes of this pair

  • signatory ← isgnatory · sginatory · sigantory · siggnatory · signaotry · signatorry · signatoryy · signatoyr
  • signature ← isgnature · sginature · siganture · siggnature · signatrue · signatture · signatuer · signaturre

Frequently Asked Questions

Do "signatory" and "signature" mean the same thing in a sentence?
No. They are said differently (/ˈsɪɡ.nə.tɹi/ versus /ˈsɪɡnət͡ʃə(ɹ)/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "signatory" or "signature"?
"signature" is the more common of the two: it sits at frequency rank #4,713 in our English list, against #32,179 for "signatory". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "signatory" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "signature" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #299,238 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • 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 #299,238 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