dilutevsdilutedWhich spelling fits?

Quick tell: dilute is a verb, diluted is an adjective, so they fill different roles in a sentence.

Which to use

“dilute” is a verb and “diluted” is an adjective - they look or sound alike but fill different roles in a sentence.

#22,951
“dilute” frequency rank
#15,601
“diluted” frequency rank
38552
confusion score

Side-by-Side Comparison

Feature dilute diluted
Definition To make thinner by adding solvent to a solution, especially by adding water. That has had something added in order to dilute it.

Letter map: dilute vs diluted

Shared letters muted; letters that set dilute and diluted apart highlighted. Shared run: 6. dilute runs 6 letters (CVCVCV) against diluted's 7 (CVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
dilute
7 ch
diluted

Role in the sentence - dilute and diluted

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dilute is averb and dilutedanadjective. On the page they differ by 1 extra letter(s) - “dilute” sits inside “diluted”. Our composite confusion score for this pair is 38552, derived from the frequency rank of both members and their visual similarity.

dilute is recorded at frequency rank #22,951, classified as averb, pronounced /daɪˈljuːt/. diluted is at rank #15,601, tagged as anadj.

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 38552, this pair ranks #284,907 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dilute vs diluted

Shared letters: deiltu. Private to "dilute": -. Private to "diluted": -.

"dilute" · 6 letters · shape CVCVCV  ·  "diluted" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • dilute ← ddilute · dillute · diltue · diluet · dilutte · diulte · dliute · idlute
  • diluted ← ddiluted · dilluted · diltued · diluetd · dilutde · dilutedd · dilutted · diulted

Frequently Asked Questions

Can "dilute" and "diluted" be used interchangeably?
No - they are not even the same part of speech. "dilute" is a verb and "diluted" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "dilute" or "diluted" show up more?
"diluted" is the more common of the two: it sits at frequency rank #15,601 in our English list, against #22,951 for "dilute". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "dilute" vs "diluted" is on the table, pick a follow-up below.

  • Full dictionary entry for "dilute" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diluted" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #284,907 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dilute" and "diluted" also get mixed up with nearby pairs, the highest-scored neighbour is "dilute vs disuse". 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 #284,907 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