aquavsaquilaWhich spelling fits?

Quick tell: aqua is a adjective, aquila is a noun, so they fill different roles in a sentence.

Which to use

“aqua” is an adjective and “aquila” is a noun - they look or sound alike but fill different roles in a sentence.

#26,263
“aqua” frequency rank
#46,000
“aquila” frequency rank
72263
confusion score

Side-by-Side Comparison

Feature aqua aquila
Definition Aqueux. Aigle.

Where the eye mixes aqua and aquila

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. aqua runs 4 letters (VCVV) against aquila's 6 (VCVVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
aqua
6 ch
aquila

Look-alike desk: aqua vs aquila

These two trip readers on the page rather than in the ear: aqua is \ˈa.kwa\ while aquila is \a.ˈkwi.la\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 72263, derived from the frequency rank of both members and their visual similarity.

aqua is recorded at frequency rank #26,263, classified as anadj, pronounced \ˈa.kwa\. aquila is at rank #46,000, tagged as anoun, pronounced \a.ˈkwi.la\.

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 72263, this pair ranks #44,613 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of aqua vs aquila

Shared letters: aqu. Private to "aqua": -. Private to "aquila": il.

"aqua" · 4 letters · shape VCVV  ·  "aquila" · 6 letters · shape VCVVCV

Known mistypes of this pair

  • aqua ← aqau · aqqua · auqa · qaua
  • aquila ← aqiula · aqquila · aquial · aquilla · aqulia · auqila · qauila

Frequently Asked Questions

Is swapping "aqua" for "aquila" ever safe?
No - they are not even the same part of speech. "aqua" is an adjective and "aquila" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aqua" vs "aquila" - which ranks higher?
"aqua" is the more common of the two: it sits at frequency rank #26,263 in our French list, against #46,000 for "aquila". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "aqua" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aquila" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #44,613 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aqua" and "aquila" also get mixed up with nearby pairs, the highest-scored neighbour is "Aguilar vs aquila". 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 #44,613 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list