babavsBauWhich spelling fits?

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

Which to use

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

#13,282
“baba” frequency rank
#48,609
“Bau” frequency rank
61891
confusion score

Side-by-Side Comparison

Feature baba Bau
Definition A kind of sponge cake soaked in rum-flavoured syrup. A surname.

Letter map: baba vs Bau

Shared letters muted; letters that set baba and Bau apart highlighted. Shared run: 2. baba runs 4 letters (CVCV) against Bau's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
baba
3 ch
Bau

Grammar separator: baba vs Bau

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: baba is anoun and Bauaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 61891, derived from the frequency rank of both members and their visual similarity.

baba is recorded at frequency rank #13,282, classified as anoun, pronounced /ˈbɑːbɑː/. Bau is at rank #48,609, 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 61891, this pair ranks #91,563 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of baba vs Bau

Shared letters: ab. Private to "baba": -. Private to "Bau": u.

"baba" · 4 letters · shape CVCV  ·  "Bau" · 3 letters · shape CVV

Known mistypes of this pair

  • baba ← baab · babba · bbaa · bbaba

Frequently Asked Questions

Is swapping "baba" for "Bau" ever safe?
No - they are not even the same part of speech. "baba" is a noun and "Bau" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "baba" vs "Bau" - which ranks higher?
"baba" is the more common of the two: it sits at frequency rank #13,282 in our English list, against #48,609 for "Bau". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "baba" vs "Bau" is on the table, pick a follow-up below.

  • Full dictionary entry for "baba" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Bau" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #91,563 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "baba" and "Bau" also get mixed up with nearby pairs, the highest-scored neighbour is "Bau vs BFS". 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 #91,563 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