cab vs co, What's the Difference?

Which to use

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

#7,658
“cab” frequency rank: #617
“co” frequency rank: 8275
confusion score

Side-by-Side Comparison

Feature	cab	co
Definition	A compartment at the front of a truck or train for the driver.	Clipping of company.

Where the eye mixes cab and co

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

cab

2 ch

Look-alike desk: cab vs co

A purely visual mix-up. cab (/kæb/) and co (/kəʊ/) 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 8275, derived from the frequency rank of both members and their visual similarity.

cab is recorded at frequency rank #7,658, classified as anoun, pronounced /kæb/. co is at rank #617, tagged as anoun, pronounced /kəʊ/.

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 8275, this pair ranks #503,310 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cab vs co

Shared letters: c. Private to "cab": ab. Private to "co": o.

"cab" · 3 letters · shape CVC · "co" · 2 letters · shape CV

Frequently Asked Questions

Do "cab" and "co" mean the same thing in a sentence?

No. They are said differently (/kæb/ versus /kəʊ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "cab" vs "co" - which ranks higher?

"co" is the more common of the two: it sits at frequency rank #617 in our English list, against #7,658 for "cab". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "cab" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "co" - compare definitions side by side with the headword page. Word entry
This pair ranks #503,310 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"cab" and "co" also get mixed up with nearby pairs, the highest-scored neighbour is "cab vs CGT". Nearby pair

Confusion rank #503,310 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.