oovsOttoTell them apart

Quick tell: oo is a intj, Otto is a name, so they fill different roles in a sentence.

Which to use

“oo” is an intj and “Otto” is a name - they look or sound alike but fill different roles in a sentence.

#15,961
“oo” frequency rank
#2,170
“Otto” frequency rank
18131
confusion score

Side-by-Side Comparison

Feature oo Otto
Definition oh männlicher Vorname

Letter map: oo vs Otto

Shared letters muted; letters that set oo and Otto apart highlighted. Shared run: 2.

2 ch
oo
4 ch
Otto

Role in the sentence - oo and Otto

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: oo is anintj and Ottoaname. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 18131, derived from the frequency rank of both members and their visual similarity.

oo is recorded at frequency rank #15,961, classified as anintj, pronounced […]. Otto is at rank #2,170, tagged as aname, pronounced [ˈɔto].

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 18131, this pair ranks #1,921,111 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of oo vs Otto

Shared letters: o. Private to "oo": -. Private to "Otto": t.

"oo" · 2 letters · shape VV  ·  "Otto" · 4 letters · shape VCCV

Known mistypes of this pair

  • Ottooto · otot

Frequently Asked Questions

Is swapping "oo" for "Otto" ever safe?
No - they are not even the same part of speech. "oo" is an intj and "Otto" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "oo" or "Otto" show up more?
"Otto" is the more common of the two: it sits at frequency rank #2,170 in our German list, against #15,961 for "oo". 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 "oo" and "Otto".

  • Full dictionary entry for "oo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Otto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,921,111 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "oo" and "Otto" also get mixed up with nearby pairs, the highest-scored neighbour is "oo vs puzzles". 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 #1,921,111 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list