Which to use
“4B” is a name and “4th” is an adjective - they look or sound alike but fill different roles in a sentence.
- #33,921
- “4B” frequency rank
- #2,710
- “4th” frequency rank
- 36631
- confusion score
Side-by-Side Comparison
| Feature | 4B | 4th |
|---|---|---|
| Definition | A radical feminist movement originating in South Korea whose tenets are: no sex with men, no giving birth, no dating men, and no marriage with men. | Abbreviation of fourth. |
Letter map: 4B vs 4th
Shared letters muted; letters that set 4B and 4th apart highlighted. Shared run: 1.
Role in the sentence - 4B and 4th
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: 4B is aname and 4thanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36631, derived from the frequency rank of both members and their visual similarity.
4B is recorded at frequency rank #33,921, classified as aname. 4th is at rank #2,710, tagged as anadj.
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 36631, this pair ranks #301,537 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of 4B vs 4th
Shared letters: none. Private to "4B": b. Private to "4th": ht.
"4B" · 1 letters · shape C · "4th" · 2 letters · shape CC
Frequently Asked Questions
Is swapping "4B" for "4th" ever safe?
In ordinary English text, does "4B" or "4th" show up more?
After this comparison
You've compared "4B" and "4th". Here's where to go from here.
- Full dictionary entry for "4B" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "4th" - compare definitions side by side with the headword page. Word entry
- This pair ranks #301,537 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "4B" and "4th" also get mixed up with nearby pairs, the highest-scored neighbour is "4B vs 4x4". Nearby pair
Confusion rank #301,537 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.