Which to use
“additional” is an adjective and “additionally” is an adverb - they look or sound alike but fill different roles in a sentence.
- #1,115
- “additional” frequency rank
- #5,097
- “additionally” frequency rank
- 6212
- confusion score
Side-by-Side Comparison
| Feature | additional | additionally |
|---|---|---|
| Definition | Supplemental or added to something. | By way of addition; in addition to; also. |
Letter map: additional vs additionally
Shared letters muted; letters that set additional and additionally apart highlighted. Shared run: 10.
Part-of-speech tell for additional / additionally
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: additional is anadjective and additionallyanadverb. On the page they differ by 2 extra letter(s) - “additional” sits inside “additionally”. Our composite confusion score for this pair is 6212, derived from the frequency rank of both members and their visual similarity.
additional is recorded at frequency rank #1,115, classified as anadj, pronounced /əˈdɪʃənəl/. additionally is at rank #5,097, 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 6212, this pair ranks #512,312 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of additional vs additionally
Shared letters: adilnot. Private to "additional": -. Private to "additionally": y.
"additional" · 10 letters · shape VCCVCVVCVC · "additionally" · 12 letters · shape VCCVCVVCVCCV
Known mistypes of this pair
- additional ← addiitonal · additinoal · additioanl · additionall · additionla · additionnal · additoinal · addittional
- additionally ← addiitonally · additinoally · additioanlly · additionallyy · additionaly · additionalyl · additionlaly · additionnally
Frequently Asked Questions
Can "additional" and "additionally" be used interchangeably?
Frequency check: "additional" vs "additionally" - which ranks higher?
After this comparison
You've compared "additional" and "additionally". Here's where to go from here.
- Full dictionary entry for "additional" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "additionally" - compare definitions side by side with the headword page. Word entry
- This pair ranks #512,312 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "additional" and "additionally" also get mixed up with nearby pairs, the highest-scored neighbour is "additional vs additions". 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 #512,312 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.