blastervsblisterWhat's the difference?

Which to use

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

#26,015
“blaster” frequency rank
#28,840
“blister” frequency rank
54855
confusion score

Side-by-Side Comparison

Feature blaster blister
Definition Anything that, or anyone who blasts. A small bubble between the layers of the skin that contains watery or bloody fluid and is caused by friction and pressure, burning, freezing, chemical irritation, disease, or infection.

Where the eye mixes blaster and blister

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

7 ch
blaster
7 ch
blister

Why the eye confuses blaster with blister

A purely visual mix-up. blaster (/ˈblɑːs.tə/) and blister (/ˈblɪstə(ɹ)/) 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 a single letter - a in “blaster” becomes i in “blister”. Our composite confusion score for this pair is 54855, derived from the frequency rank of both members and their visual similarity.

blaster is recorded at frequency rank #26,015, classified as anoun, pronounced /ˈblɑːs.tə/. blister is at rank #28,840, tagged as anoun, pronounced /ˈblɪstə(ɹ)/.

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 54855, this pair ranks #137,983 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of blaster vs blister

Shared letters: belrst. Private to "blaster": a. Private to "blister": i.

"blaster" · 7 letters · shape CCVCCVC  ·  "blister" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • blasterbalster · bblaster · blasetr · blasster · blasterr · blastre · blastter · blatser
  • blisterbblister · bilster · blisetr · blisster · blisterr · blistre · blistter · blitser

Frequently Asked Questions

Do "blaster" and "blister" mean the same thing in a sentence?
No. They are said differently (/ˈblɑːs.tə/ versus /ˈblɪstə(ɹ)/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "blaster" vs "blister" - which ranks higher?
"blaster" is the more common of the two: it sits at frequency rank #26,015 in our English list, against #28,840 for "blister". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "blaster" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "blister" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #137,983 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "blaster" and "blister" also get mixed up with nearby pairs, the highest-scored neighbour is "blister vs blitzer". 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 #137,983 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