backvsbankWhat's the difference?

Quick tell: back is a adjective, bank is a noun, so they fill different roles in a sentence.

Which to use

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

#93
“back” frequency rank
#705
“bank” frequency rank
798
confusion score

Side-by-Side Comparison

Feature back bank
Definition At or near the rear. An institution where one can place and borrow money and take care of financial affairs.

Where the eye mixes back and bank

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
back
4 ch
bank

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: back is /bæk/ while bank is /ˈbæŋk/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - c in “back” becomes n in “bank”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 798, derived from the frequency rank of both members and their visual similarity.

back is recorded at frequency rank #93, classified as anadj, pronounced /bæk/. bank is at rank #705, tagged as anoun, pronounced /ˈbæŋk/.

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 798, this pair ranks #528,759 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of back vs bank

Shared letters: abk. Private to "back": c. Private to "bank": n.

"back" · 4 letters · shape CVCC  ·  "bank" · 4 letters · shape CVCC

Known mistypes of this pair

  • backabck · bacck · backk · bakc · bback · bcak
  • bankabnk · bakn · bankk · bannk · bbank · bnak

Frequently Asked Questions

Can "back" and "bank" be used interchangeably?
No - they are not even the same part of speech. "back" is an adjective and "bank" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "back" or "bank"?
"back" is the more common of the two: it sits at frequency rank #93 in our English list, against #705 for "bank". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list