deepvsdeterWhich spelling fits?

Quick tell: deep is a adjective, deter is a verb, so they fill different roles in a sentence.

Which to use

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

#12,646
“deep” frequency rank
#5,519
“deter” frequency rank
18165
confusion score

Side-by-Side Comparison

Feature deep deter
Definition profundo proceder à detenção; prender; reter à força

Letter map: deep vs deter

Shared letters muted; letters that set deep and deter apart highlighted. Shared run: 3.

4 ch
deep
5 ch
deter

Grammar separator: deep vs deter

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: deep is anadjective and deteraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 18165, derived from the frequency rank of both members and their visual similarity.

deep is recorded at frequency rank #12,646, classified as anadj, pronounced /diːp/. deter is at rank #5,519, tagged as averb.

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 18165, this pair ranks #52,886 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of deep vs deter

Shared letters: de. Private to "deep": p. Private to "deter": rt.

"deep" · 4 letters · shape CVVC  ·  "deter" · 5 letters · shape CVCVC

Known mistypes of this pair

  • deepddeep · deepp · dep · depe · edep
  • deterddeter · deetr · deterr · detre · detter · dteer · edter

Frequently Asked Questions

Do "deep" and "deter" mean the same thing in a sentence?
No - they are not even the same part of speech. "deep" is an adjective and "deter" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "deep" or "deter" show up more?
"deter" is the more common of the two: it sits at frequency rank #5,519 in our Portuguese list, against #12,646 for "deep". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "deep" and "deter".

  • Full dictionary entry for "deep" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "deter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,886 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "deep" and "deter" also get mixed up with nearby pairs, the highest-scored neighbour is "deep vs devi". 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 #52,886 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list