busiestvsbusinessWhat's the difference?

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

Which to use

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

#16,659
“busiest” frequency rank
#246
“business” frequency rank
16905
confusion score

Side-by-Side Comparison

Feature busiest business
Definition superlative form of busy: most busy A specific commercial enterprise or establishment.

Letter map: busiest vs business

Shared letters muted; letters that set busiest and business apart highlighted. Shared run: 6.

7 ch
busiest
8 ch
business

Role in the sentence - busiest and business

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: busiest is anadjective and businessanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 16905, derived from the frequency rank of both members and their visual similarity.

busiest is recorded at frequency rank #16,659, classified as anadj. business is at rank #246, tagged as anoun, pronounced /ˈbɪz.nɪs/.

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 16905, this pair ranks #454,833 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of busiest vs business

Shared letters: beisu. Private to "busiest": t. Private to "business": n.

"busiest" · 7 letters · shape CVCVVCC  ·  "business" · 8 letters · shape CVCVCVCC

Known mistypes of this pair

  • busiestbbusiest · bsuiest · buisest · buseist · busiesst · busiestt · busiets · busiset
  • businessbbusiness · bsuiness · buisness · busienss · busines · businness · businses · busniess

Frequently Asked Questions

Is swapping "busiest" for "business" ever safe?
No - they are not even the same part of speech. "busiest" is an adjective and "business" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "busiest" vs "business" - which ranks higher?
"business" is the more common of the two: it sits at frequency rank #246 in our English list, against #16,659 for "busiest". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "busiest" and "business". Here's where to go from here.

  • Full dictionary entry for "busiest" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "business" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #454,833 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "busiest" and "business" also get mixed up with nearby pairs, the highest-scored neighbour is "busiest vs busses". 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 #454,833 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