DelphivsdolphinTell them apart

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

Which to use

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

#28,511
“Delphi” frequency rank
#11,686
“dolphin” frequency rank
40197
confusion score

Side-by-Side Comparison

Feature Delphi dolphin
Definition A city of ancient Greece, the site of the Delphic oracle. A carnivorous aquatic mammal in one of several families of the infraorder Cetacea, famed for its intelligence and occasional willingness to approach humans.

Where the eye mixes Delphi and dolphin

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
Delphi
7 ch
dolphin

Visual trap between Delphi and dolphin

These two trip readers on the page rather than in the ear: Delphi is /ˈdɛlfi/ while dolphin is /ˈdɒlf.ɪn/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 40197, derived from the frequency rank of both members and their visual similarity.

Delphi is recorded at frequency rank #28,511, classified as aname, pronounced /ˈdɛlfi/. dolphin is at rank #11,686, tagged as anoun, pronounced /ˈdɒlf.ɪn/.

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 40197, this pair ranks #269,749 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Delphi vs dolphin

Shared letters: dhilp. Private to "Delphi": e. Private to "dolphin": no.

"Delphi" · 6 letters · shape CVCCCV  ·  "dolphin" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • Delphiddelphi · delhpi · dellphi · delphhi · delpih · delpphi · deplhi · dlephi
  • dolphinddolphin · dlophin · dolhpin · dollphin · dolphhin · dolphinn · dolphni · dolpihn

Frequently Asked Questions

Can "Delphi" and "dolphin" be used interchangeably?
No - they are not even the same part of speech. "Delphi" is a name and "dolphin" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Delphi" vs "dolphin" - which ranks higher?
"dolphin" is the more common of the two: it sits at frequency rank #11,686 in our English list, against #28,511 for "Delphi". 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 "Delphi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dolphin" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #269,749 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Delphi" and "dolphin" also get mixed up with nearby pairs, the highest-scored neighbour is "Delphi vs Delphine". 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 #269,749 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