sequentialvssequentiallyWhat's the difference?

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

Which to use

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

#19,969
“sequential” frequency rank
#34,279
“sequentially” frequency rank
54248
confusion score

Side-by-Side Comparison

Feature sequential sequentially
Definition Succeeding or following in order. In sequence, in order.

Where the eye mixes sequential and sequentially

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence.

10 ch
sequential
12 ch
sequentially

Look-alike desk: sequential vs sequentially

These two trip readers on the page rather than in the ear: sequential is /səˈkwɛntʃəl/ while sequentially is /səˈkwɛntʃəli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “sequential” sits inside “sequentially”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 54248, derived from the frequency rank of both members and their visual similarity.

sequential is recorded at frequency rank #19,969, classified as anadj, pronounced /səˈkwɛntʃəl/. sequentially is at rank #34,279, tagged as anadv, pronounced /səˈkwɛntʃəli/.

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 54248, this pair ranks #142,583 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sequential vs sequentially

Shared letters: aeilnqstu. Private to "sequential": -. Private to "sequentially": y.

"sequential" · 10 letters · shape CVCVVCCVVC  ·  "sequentially" · 12 letters · shape CVCVVCCVVCCV

Known mistypes of this pair

  • sequentialesquential · seqeuntial · seqquential · sequenital · sequenntial · sequentail · sequentiall · sequentila
  • sequentiallyesquentially · seqeuntially · seqquentially · sequenitally · sequenntially · sequentailly · sequentiallyy · sequentialy

Frequently Asked Questions

Do "sequential" and "sequentially" mean the same thing in a sentence?
No - they are not even the same part of speech. "sequential" is an adjective and "sequentially" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sequential" or "sequentially"?
"sequential" is the more common of the two: it sits at frequency rank #19,969 in our English list, against #34,279 for "sequentially". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "sequential" and "sequentially" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sequential" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sequentially" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #142,583 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • 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 #142,583 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