favorablevsfavourablyWhat's the difference?

Quick tell: favorable is a adjective, favourably is an adverb, so they fill different roles in a sentence.

Which to use

“favorable” is an adjective and “favourably” is an adverb - they look or sound alike but fill different roles in a sentence.

#8,927
“favorable” frequency rank
#31,981
“favourably” frequency rank
40908
confusion score

Side-by-Side Comparison

Feature favorable favourably
Definition US standard spelling of favourable. In a favourable manner.

Letter map: favorable vs favourably

Shared letters muted; letters that set favorable and favourably apart highlighted. Shared run: 8.

9 ch
favorable
10 ch
favourably

Part-of-speech tell for favorable / favourably

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: favorable is anadjective and favourablyanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 40908, derived from the frequency rank of both members and their visual similarity.

favorable is recorded at frequency rank #8,927, classified as anadj, pronounced /ˈfeɪ.vɚ.əbl/. favourably is at rank #31,981, tagged as anadv.

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 40908, this pair ranks #263,320 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of favorable vs favourably

Shared letters: abflorv. Private to "favorable": e. Private to "favourably": uy.

"favorable" · 9 letters · shape CVCVCVCCV  ·  "favourably" · 10 letters · shape CVCVVCVCCV

Known mistypes of this pair

  • favorableafvorable · faovrable · favoarble · favorabble · favorabel · favorablle · favoralbe · favorbale
  • favourablyafvourably · faovurably · favoruably · favouarbly · favourabbly · favourablly · favourablyy · favourabyl

Frequently Asked Questions

Can "favorable" and "favourably" be used interchangeably?
No - they are not even the same part of speech. "favorable" is an adjective and "favourably" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "favorable" vs "favourably" - which ranks higher?
"favorable" is the more common of the two: it sits at frequency rank #8,927 in our English list, against #31,981 for "favourably". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "favorable" vs "favourably" is on the table, pick a follow-up below.

  • Full dictionary entry for "favorable" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "favourably" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #263,320 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "favorable" and "favourably" also get mixed up with nearby pairs, the highest-scored neighbour is "favorably vs favourably". 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 #263,320 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