blockvsblotWhich spelling fits?

Which to use

“block” and “blot” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,386
“block” frequency rank
#27,745
“blot” frequency rank
29131
confusion score

Side-by-Side Comparison

Feature block blot
Definition A substantial, often approximately cuboid, piece of any substance. A blemish, spot or stain made by a coloured substance.

Where the eye mixes block and blot

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

5 ch
block
4 ch
blot

Why the eye confuses block with blot

A purely visual mix-up. block (/blɒk/) and blot (/blɒt/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 29131, derived from the frequency rank of both members and their visual similarity.

block is recorded at frequency rank #1,386, classified as anoun, pronounced /blɒk/. blot is at rank #27,745, tagged as anoun, pronounced /blɒt/.

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 29131, this pair ranks #365,574 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of block vs blot

Shared letters: blo. Private to "block": ck. Private to "blot": t.

"block" · 5 letters · shape CCVCC  ·  "blot" · 4 letters · shape CCVC

Known mistypes of this pair

  • blockbblock · blcok · bllock · blocck · blockk · blokc · bolck · lbock
  • blotbblot · bllot · blott · blto · lbot

Frequently Asked Questions

Is swapping "block" for "blot" ever safe?
No. They are said differently (/blɒk/ versus /blɒt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "block" or "blot"?
"block" is the more common of the two: it sits at frequency rank #1,386 in our English list, against #27,745 for "blot". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "block" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "blot" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #365,574 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "block" and "blot" also get mixed up with nearby pairs, the highest-scored neighbour is "Beloit vs blot". 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 #365,574 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