AquilavsAquinasConfusable pair

Which to use

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

#37,802
“Aquila” frequency rank
#28,119
“Aquinas” frequency rank
65921
confusion score

Side-by-Side Comparison

Feature Aquila Aquinas
Definition A summer constellation of the northern sky, said to resemble an eagle. It includes the star Altair. Ellipsis of Thomas Aquinas, an Italian philosopher, theologian and jurist during the 13th century.

Where the eye mixes Aquila and Aquinas

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. Aquila runs 6 letters (VCVVCV) against Aquinas's 7 (VCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
Aquila
7 ch
Aquinas

Why the eye confuses Aquila with Aquinas

A purely visual mix-up. Aquila (/ˈækwɪlə/) and Aquinas (/əˈkwaɪnəs/) 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 65921, derived from the frequency rank of both members and their visual similarity.

Aquila is recorded at frequency rank #37,802, classified as aname, pronounced /ˈækwɪlə/. Aquinas is at rank #28,119, tagged as aname, pronounced /əˈkwaɪnəs/.

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 65921, this pair ranks #70,439 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Aquila vs Aquinas

Shared letters: aiqu. Private to "Aquila": l. Private to "Aquinas": ns.

"Aquila" · 6 letters · shape VCVVCV  ·  "Aquinas" · 7 letters · shape VCVVCVC

Known mistypes of this pair

  • Aquila ← aqiula · aqquila · aquial · aquilla · aqulia · auqila · qauila
  • Aquinas ← aqiunas · aqquinas · aquians · aquinass · aquinnas · aquinsa · aqunias · auqinas

Frequently Asked Questions

Is swapping "Aquila" for "Aquinas" ever safe?
No. They are said differently (/ˈækwɪlə/ versus /əˈkwaɪnəs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Aquila" vs "Aquinas" - which ranks higher?
"Aquinas" is the more common of the two: it sits at frequency rank #28,119 in our English list, against #37,802 for "Aquila". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Aquila" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Aquinas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,439 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Aquila" and "Aquinas" also get mixed up with nearby pairs, the highest-scored neighbour is "Aquila vs Attila". 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 #70,439 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