Which to use
“add” is a verb and “arb” is a noun - they look or sound alike but fill different roles in a sentence.
- #840
- “add” frequency rank
- #46,311
- “arb” frequency rank
- 47151
- confusion score
Side-by-Side Comparison
| Feature | add | arb |
|---|---|---|
| Definition | To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate. | The act of or potential for arbitrage. |
Letter map: add vs arb
Shared letters muted; letters that set add and arb apart highlighted. Shared run: 1.
Part-of-speech tell for add / arb
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: add is averb and arbanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 47151, derived from the frequency rank of both members and their visual similarity.
add is recorded at frequency rank #840, classified as averb, pronounced /æd/. arb is at rank #46,311, tagged as anoun.
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 47151, this pair ranks #205,120 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of add vs arb
Shared letters: a. Private to "add": d. Private to "arb": br.
"add" · 3 letters · shape VCC · "arb" · 3 letters · shape VCC
Frequently Asked Questions
Can "add" and "arb" be used interchangeably?
Which is more common, "add" or "arb"?
What to do next
Pair "add" vs "arb" is on the table, pick a follow-up below.
- Full dictionary entry for "add" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arb" - compare definitions side by side with the headword page. Word entry
- This pair ranks #205,120 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "add" and "arb" also get mixed up with nearby pairs, the highest-scored neighbour is "amb vs arb". Nearby pair
Confusion rank #205,120 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.