roundvsroundupWhat's the difference?

Quick tell: round is a adjective, roundup is a noun, so they fill different roles in a sentence.

Which to use

“round” is an adjective and “roundup” is a noun - they look or sound alike but fill different roles in a sentence.

#754
“round” frequency rank
#19,964
“roundup” frequency rank
20718
confusion score

Side-by-Side Comparison

Feature round roundup
Definition Of shape: An activity in which cattle are herded together in order to be inspected, counted, branded or shipped.

Letter map: round vs roundup

Shared letters muted; letters that set round and roundup apart highlighted. Shared run: 5.

5 ch
round
7 ch
roundup

Role in the sentence - round and roundup

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: round is anadjective and roundupanoun. On the page they differ by 2 extra letter(s) - “round” sits inside “roundup”. Our composite confusion score for this pair is 20718, derived from the frequency rank of both members and their visual similarity.

round is recorded at frequency rank #754, classified as anadj, pronounced /ˈɹaʊnd/. roundup is at rank #19,964, 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 20718, this pair ranks #429,162 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of round vs roundup

Shared letters: dnoru. Private to "round": -. Private to "roundup": p.

"round" · 5 letters · shape CVVCC  ·  "roundup" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • roundorund · ronud · roudn · roundd · rounnd · rround · ruond
  • rounduporundup · ronudup · roudnup · rounddup · roundpu · roundupp · rounndup · rounudp

Frequently Asked Questions

Is swapping "round" for "roundup" ever safe?
No - they are not even the same part of speech. "round" is an adjective and "roundup" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "round" or "roundup" show up more?
"round" is the more common of the two: it sits at frequency rank #754 in our English list, against #19,964 for "roundup". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "round" and "roundup". Here's where to go from here.

  • Full dictionary entry for "round" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "roundup" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #429,162 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "round" and "roundup" also get mixed up with nearby pairs, the highest-scored neighbour is "roundly vs roundup". 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 #429,162 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list