CurtisvsCurtissConfusable pair

Which to use

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

#7,784
“Curtis” frequency rank
#44,720
“Curtiss” frequency rank
52504
confusion score

Side-by-Side Comparison

Feature Curtis Curtiss
Definition An English surname transferred from the nickname, originally a nickname for a refined or courtly person. A surname.

Letter map: Curtis vs Curtiss

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

6 ch
Curtis
7 ch
Curtiss

Corpus notes: Curtis and Curtiss

Curtis and Curtiss are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 extra letter(s) - “Curtis” sits inside “Curtiss”. Our composite confusion score for this pair is 52504, derived from the frequency rank of both members and their visual similarity.

Curtis is recorded at frequency rank #7,784, classified as aname, pronounced /ˈkɝtɪs/. Curtiss is at rank #44,720, tagged as aname.

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 52504, this pair ranks #156,493 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Curtis vs Curtiss

Shared letters: cirstu. Private to "Curtis": -. Private to "Curtiss": -.

"Curtis" · 6 letters · shape CVCCVC  ·  "Curtiss" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • Curtis ← ccurtis · crutis · curits · currtis · curtsi · curttis · cutris · ucrtis
  • Curtiss ← ccurtiss · crutiss · curitss · currtiss · curtsis · curttiss · cutriss · ucrtiss

Frequently Asked Questions

Do "Curtis" and "Curtiss" mean the same thing in a sentence?
No. They differ by 1 extra letter(s) - “Curtis” sits inside “Curtiss”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "Curtis" vs "Curtiss" - which ranks higher?
"Curtis" is the more common of the two: it sits at frequency rank #7,784 in our English list, against #44,720 for "Curtiss". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "Curtis" vs "Curtiss" is on the table, pick a follow-up below.

  • Full dictionary entry for "Curtis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Curtiss" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #156,493 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Curtis" and "Curtiss" also get mixed up with nearby pairs, the highest-scored neighbour is "Curtin vs Curtiss". 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 #156,493 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