Which to use
“variable” and “viable” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,925
- “variable” frequency rank
- #7,634
- “viable” frequency rank
- 13559
- confusion score
Side-by-Side Comparison
| Feature | variable | viable |
|---|---|---|
| Definition | Able to vary or be varied. | Able to live on its own (as for a newborn). |
Where the eye mixes variable and viable
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Visual trap between variable and viable
A purely visual mix-up. variable ([ˈvɛə.ɹi.ə.bl̩]) and viable (/ˈvaɪəbəl/) 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 13559, derived from the frequency rank of both members and their visual similarity.
variable is recorded at frequency rank #5,925, classified as anadj, pronounced [ˈvɛə.ɹi.ə.bl̩]. viable is at rank #7,634, tagged as anadj, pronounced /ˈvaɪəbəl/.
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 13559, this pair ranks #475,084 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of variable vs viable
Shared letters: abeilv. Private to "variable": r. Private to "viable": -.
"variable" · 8 letters · shape CVCVVCCV · "viable" · 6 letters · shape CVVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "variable" and "viable" be used interchangeably?
Which is more common, "variable" or "viable"?
What to do next
Eye-level mix-up between "variable" and "viable" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "variable" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "viable" - compare definitions side by side with the headword page. Word entry
- This pair ranks #475,084 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "variable" and "viable" also get mixed up with nearby pairs, the highest-scored neighbour is "viable vs viewable". 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 #475,084 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.