sigvsSligoWhich spelling fits?

Quick tell: sig is a noun, Sligo is a name, so they fill different roles in a sentence.

Which to use

“sig” is a noun and “Sligo” is a name - they look or sound alike but fill different roles in a sentence.

#20,497
“sig” frequency rank
#42,905
“Sligo” frequency rank
63402
confusion score

Side-by-Side Comparison

Feature sig Sligo
Definition A signature, especially one on emails or newsgroup postings. A county of Ireland.

Where the eye mixes sig and Sligo

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sig runs 3 letters (CVC) against Sligo's 5 (CCVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
sig
5 ch
Sligo

Look-alike desk: sig vs Sligo

These two trip readers on the page rather than in the ear: sig is /sɪɡ/ while Sligo is /ˈslaɪɡəʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 63402, derived from the frequency rank of both members and their visual similarity.

sig is recorded at frequency rank #20,497, classified as anoun, pronounced /sɪɡ/. Sligo is at rank #42,905, tagged as aname, pronounced /ˈslaɪɡəʊ/.

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 63402, this pair ranks #83,196 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sig vs Sligo

Shared letters: gis. Private to "sig": -. Private to "Sligo": lo.

"sig" · 3 letters · shape CVC  ·  "Sligo" · 5 letters · shape CCVCV

Known mistypes of this pair

  • Sligolsigo · silgo · slgio · sliggo · sliog · slligo · ssligo

Frequently Asked Questions

Is swapping "sig" for "Sligo" ever safe?
No - they are not even the same part of speech. "sig" is a noun and "Sligo" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sig" vs "Sligo" - which ranks higher?
"sig" is the more common of the two: it sits at frequency rank #20,497 in our English list, against #42,905 for "Sligo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sig" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sligo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #83,196 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sig" and "Sligo" also get mixed up with nearby pairs, the highest-scored neighbour is "Sligo vs swig". 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 #83,196 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