backvsBaseWhich spelling fits?

Which to use

“back” and “Base” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,042
“back” frequency rank
#422
“Base” frequency rank
4464
confusion score

Side-by-Side Comparison

Feature back Base
Definition cigarro de maconha; beque base

Letter map: back vs Base

Shared letters muted; letters that set back and Base apart highlighted. Shared run: 2.

4 ch
back
4 ch
Base

Corpus notes: back and Base

back and Base are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 4464, derived from the frequency rank of both members and their visual similarity.

back is recorded at frequency rank #4,042, classified as anoun. Base is at rank #422, tagged as anoun, pronounced /baːzə/.

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 4464, this pair ranks #70,426 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of back vs Base

Shared letters: ab. Private to "back": ck. Private to "Base": es.

"back" · 4 letters · shape CVCC  ·  "Base" · 4 letters · shape CVCV

Known mistypes of this pair

  • backabck · bacck · backk · bakc · bback · bcak
  • Baseabse · baes · basse · bbase · bsae

Frequently Asked Questions

Can "back" and "Base" be used interchangeably?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "back" vs "Base" - which ranks higher?
"Base" is the more common of the two: it sits at frequency rank #422 in our Portuguese list, against #4,042 for "back". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "back" vs "Base" is on the table, pick a follow-up below.

  • Full dictionary entry for "back" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Base" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,426 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "back" and "Base" also get mixed up with nearby pairs, the highest-scored neighbour is "back vs baús". 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 #70,426 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