abadvsacidWhich spelling fits?

Quick tell: abad is a noun, acid is an adjective, so they fill different roles in a sentence.

Which to use

“abad” is a noun and “acid” is an adjective - they look or sound alike but fill different roles in a sentence.

#39,941
“abad” frequency rank
#44,664
“acid” frequency rank
84605
confusion score

Side-by-Side Comparison

Feature abad acid
Definition abade, religioso superior de um mosteiro ácido, que possui acidez;

Letter map: abad vs acid

Shared letters muted; letters that set abad and acid apart highlighted. Shared run: 2. abad and acid follow the identical consonant-vowel pattern (VCVC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
abad
4 ch
acid

Role in the sentence - abad and acid

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: abad is anoun and acidanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 84605, derived from the frequency rank of both members and their visual similarity.

abad is recorded at frequency rank #39,941, classified as anoun, pronounced /a'βad/. acid is at rank #44,664, tagged as anadj.

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 84605, this pair ranks #768 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of abad vs acid

Shared letters: ad. Private to "abad": b. Private to "acid": ci.

"abad" · 4 letters · shape VCVC  ·  "acid" · 4 letters · shape VCVC

Known mistypes of this pair

  • abad ← aabd · abadd · abbad · abda · baad
  • acid ← accid · acdi · acidd · aicd · caid

Frequently Asked Questions

Do "abad" and "acid" mean the same thing in a sentence?
No - they are not even the same part of speech. "abad" is a noun and "acid" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "abad" or "acid" show up more?
"abad" is the more common of the two: it sits at frequency rank #39,941 in our Portuguese list, against #44,664 for "acid". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "abad" vs "acid" is on the table, pick a follow-up below.

  • Full dictionary entry for "abad" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acid" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #768 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "abad" and "acid" also get mixed up with nearby pairs, the highest-scored neighbour is "acid vs acs". 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 #768 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