seasonalvsseasonallyWhat's the difference?

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

Which to use

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

#7,391
“seasonal” frequency rank
#21,058
“seasonally” frequency rank
28449
confusion score

Side-by-Side Comparison

Feature seasonal seasonally
Definition Of, related to, or reliant on a season or period of the year, especially with regard to weather characteristics. Occurring every season.

Letter map: seasonal vs seasonally

Shared letters muted; letters that set seasonal and seasonally apart highlighted. Shared run: 8. seasonal runs 8 letters (CVVCVCVC) against seasonally's 10 (CVVCVCVCCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
seasonal
10 ch
seasonally

Role in the sentence - seasonal and seasonally

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seasonal is anadjective and seasonallyanadverb. On the page they differ by 2 extra letter(s) - “seasonal” sits inside “seasonally”. Our composite confusion score for this pair is 28449, derived from the frequency rank of both members and their visual similarity.

seasonal is recorded at frequency rank #7,391, classified as anadj, pronounced /ˈsiːzənəl/. seasonally is at rank #21,058, 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 28449, this pair ranks #370,996 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of seasonal vs seasonally

Shared letters: aelnos. Private to "seasonal": -. Private to "seasonally": y.

"seasonal" · 8 letters · shape CVVCVCVC  ·  "seasonally" · 10 letters · shape CVVCVCVCCV

Known mistypes of this pair

  • seasonal ← esasonal · saesonal · seaosnal · seasnoal · seasoanl · seasonall · seasonla · seasonnal
  • seasonally ← esasonally · saesonally · seaosnally · seasnoally · seasoanlly · seasonallyy · seasonaly · seasonalyl

Frequently Asked Questions

Is swapping "seasonal" for "seasonally" ever safe?
No - they are not even the same part of speech. "seasonal" is an adjective and "seasonally" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "seasonal" vs "seasonally" - which ranks higher?
"seasonal" is the more common of the two: it sits at frequency rank #7,391 in our English list, against #21,058 for "seasonally". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "seasonal" and "seasonally".

  • Full dictionary entry for "seasonal" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "seasonally" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #370,996 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "seasonal" and "seasonally" also get mixed up with nearby pairs, the highest-scored neighbour is "seasonal vs seasoned". 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 #370,996 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