fifthvsfishWhat's the difference?

Which to use

“fifth” and “fish” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#44,202
“fifth” frequency rank
#21,677
“fish” frequency rank
65879
confusion score

Side-by-Side Comparison

Feature fifth fish
Definition Quinto. Pez.

Where the eye mixes fifth and fish

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. fifth runs 5 letters (CVCCC) against fish's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
fifth
4 ch
fish

Look-alike desk: fifth vs fish

A purely visual mix-up. fifth (/fɪfθ/) and fish ([fɪʃ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65879, derived from the frequency rank of both members and their visual similarity.

fifth is recorded at frequency rank #44,202, classified as anoun, pronounced /fɪfθ/. fish is at rank #21,677, tagged as anoun, pronounced [fɪʃ].

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 65879, this pair ranks #41,376 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of fifth vs fish

Shared letters: fhi. Private to "fifth": t. Private to "fish": s.

"fifth" · 5 letters · shape CVCCC  ·  "fish" · 4 letters · shape CVCC

Known mistypes of this pair

  • fifth ← ffifth · ffith · fiffth · fifht · fifthh · fiftth · fitfh · iffth
  • fish ← ffish · fihs · fishh · fissh · fsih · ifsh

Frequently Asked Questions

Can "fifth" and "fish" be used interchangeably?
No. They are said differently (/fɪfθ/ versus [fɪʃ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fifth" or "fish"?
"fish" is the more common of the two: it sits at frequency rank #21,677 in our Spanish list, against #44,202 for "fifth". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "fifth" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fish" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,376 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fifth" and "fish" also get mixed up with nearby pairs, the highest-scored neighbour is "fifth vs Fito". 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 #41,376 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list