gillsvsgullyWhich spelling fits?

Which to use

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

#26,803
“gills” frequency rank
#25,079
“gully” frequency rank
51882
confusion score

Side-by-Side Comparison

Feature gills gully
Definition plural of gill A trench, ravine or narrow channel which was worn by water flow, especially on a hillside.

Where the eye mixes gills and gully

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. gills (CVCCC) and gully (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
gills
5 ch
gully

Look-alike desk: gills vs gully

A purely visual mix-up. gills (/ɡɪlz/) and gully (/ˈɡʌli/) 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 51882, derived from the frequency rank of both members and their visual similarity.

gills is recorded at frequency rank #26,803, classified as anoun, pronounced /ɡɪlz/. gully is at rank #25,079, tagged as anoun, pronounced /ˈɡʌli/.

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 51882, this pair ranks #161,682 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of gills vs gully

Shared letters: gl. Private to "gills": is. Private to "gully": uy.

"gills" · 5 letters · shape CVCCC  ·  "gully" · 5 letters · shape CVCCV

Known mistypes of this pair

  • gills ← ggills · gillss · gils · gilsl · glils · iglls
  • gully ← ggully · gluly · gullyy · gulyl

Frequently Asked Questions

Is swapping "gills" for "gully" ever safe?
No. They are said differently (/ɡɪlz/ versus /ˈɡʌli/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "gills" vs "gully" - which ranks higher?
"gully" is the more common of the two: it sits at frequency rank #25,079 in our English list, against #26,803 for "gills". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "gills" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "gully" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #161,682 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "gills" and "gully" also get mixed up with nearby pairs, the highest-scored neighbour is "gills vs gilly". 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 #161,682 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