AdolfvsadultWhich spelling fits?

Quick tell: Adolf is a name, adult is a noun, so they fill different roles in a sentence.

Which to use

“Adolf” is a name and “adult” is a noun - they look or sound alike but fill different roles in a sentence.

#17,752
“Adolf” frequency rank
#1,654
“adult” frequency rank
19406
confusion score

Side-by-Side Comparison

Feature Adolf adult
Definition A male given name from the Germanic languages, variant of Adolph. An animal that is full-grown.

Letter map: Adolf vs adult

Shared letters muted; letters that set Adolf and adult apart highlighted. Shared run: 3. Adolf and adult follow the identical consonant-vowel pattern (VCVCC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
Adolf
5 ch
adult

Role in the sentence - Adolf and adult

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Adolf is aname and adultanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 19406, derived from the frequency rank of both members and their visual similarity.

Adolf is recorded at frequency rank #17,752, classified as aname. adult is at rank #1,654, tagged as anoun, pronounced /ˈæd.ʌlt/.

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 19406, this pair ranks #438,398 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Adolf vs adult

Shared letters: adl. Private to "Adolf": fo. Private to "adult": tu.

"Adolf" · 5 letters · shape VCVCC  ·  "adult" · 5 letters · shape VCVCC

Known mistypes of this pair

  • Adolf ← addolf · adlof · adofl · adolff · adollf · aodlf · daolf
  • adult ← addult · adlut · adullt · adultt · adutl · audlt · dault

Frequently Asked Questions

Do "Adolf" and "adult" mean the same thing in a sentence?
No - they are not even the same part of speech. "Adolf" is a name and "adult" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Adolf" or "adult" show up more?
"adult" is the more common of the two: it sits at frequency rank #1,654 in our English list, against #17,752 for "Adolf". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "Adolf" and "adult".

  • Full dictionary entry for "Adolf" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "adult" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #438,398 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Adolf" and "adult" also get mixed up with nearby pairs, the highest-scored neighbour is "Adolf vs AWOL". 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 #438,398 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