Which to use
“bulb” and “bus” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,846
- “bulb” frequency rank
- #1,554
- “bus” frequency rank
- 13400
- confusion score
Side-by-Side Comparison
| Feature | bulb | bus |
|---|---|---|
| Definition | The bulb-shaped underground portion of a plant such as a tulip, consisting of a shortened stem and many fleshy scale leaves, from which the rest of the plant may be regrown. | A motor vehicle for transporting large numbers of people along roads. |
Where the eye mixes bulb and bus
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: bulb vs bus
A purely visual mix-up. bulb (/ˈbʌlb/) and bus (/bʌs/) 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 13400, derived from the frequency rank of both members and their visual similarity.
bulb is recorded at frequency rank #11,846, classified as anoun, pronounced /ˈbʌlb/. bus is at rank #1,554, tagged as anoun, pronounced /bʌs/.
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 13400, this pair ranks #476,039 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of bulb vs bus
Shared letters: bu. Private to "bulb": l. Private to "bus": s.
"bulb" · 4 letters · shape CVCC · "bus" · 3 letters · shape CVC
Known mistypes of this pair
- bulb ← bbulb · blub · bubl · bulbb · bullb · ublb
Frequently Asked Questions
Do "bulb" and "bus" mean the same thing in a sentence?
In ordinary English text, does "bulb" or "bus" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "bulb" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #476,039 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "bulb" and "bus" also get mixed up with nearby pairs, the highest-scored neighbour is "Bui vs bulb". 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 #476,039 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.