Which to use
“basalt” and “bast” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,125
- “basalt” frequency rank
- #47,486
- “bast” frequency rank
- 75611
- confusion score
Side-by-Side Comparison
| Feature | basalt | bast |
|---|---|---|
| Definition | A hard mafic igneous rock of varied mineral content; volcanic in origin, which makes up much of the Earth's oceanic crust. | Inner bark of a tree from which rope is traditionally made. |
Where the eye mixes basalt and bast
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses basalt with bast
A purely visual mix-up. basalt (/ˈbæs.ɒlt/) and bast (/bɑːst/) 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 2 letter(s) in length. Our composite confusion score for this pair is 75611, derived from the frequency rank of both members and their visual similarity.
basalt is recorded at frequency rank #28,125, classified as anoun, pronounced /ˈbæs.ɒlt/. bast is at rank #47,486, tagged as anoun, pronounced /bɑːst/.
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 75611, this pair ranks #32,607 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of basalt vs bast
Shared letters: abst. Private to "basalt": l. Private to "bast": -.
"basalt" · 6 letters · shape CVCVCC · "bast" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Do "basalt" and "bast" mean the same thing in a sentence?
Which is more common, "basalt" or "bast"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "basalt" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bast" - compare definitions side by side with the headword page. Word entry
- This pair ranks #32,607 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "basalt" and "bast" also get mixed up with nearby pairs, the highest-scored neighbour is "bast vs BFS". 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 #32,607 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.