additionally
"additionally" is a 12-letter English headword indexed on PlainSpell.
The verdict
“additionally” is a regularly-used English word, ranked #5,097 in English word frequency and used as an adverb.
- #5,097
- frequency rank, English
- 12
- letters
- 14
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - By way of addition; in addition to; also.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | additionally |
| Language | English |
| Part of speech | Adverb |
| Letters | 12 |
| Frequency rank | #5,097 |
| Misspellings tracked | 14 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “additionally” sits in English frequency
Spelling & Dictionary Insight
The English entry for additionally is 12 letters long, classified as an adverb. Corpus data places it at rank #5,097 in overall English word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "By way of addition; in addition to; also.".
Our generated misspelling index lists 14 likely wrong-spelling variants for additionally, with forms such as "addiitonally", "additinoally", and "additioanlly". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "additional", where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From additional + -ly. The correct English form is additionally, spelled A-D-D-I-T-I-O-N-A-L-L-Y.
Definition
- 1By way of addition; in addition to; also.
Etymology
From additional + -ly.
This word in other languages
Common misspellings
Also misspelled as: addiitonally,additinoally,additioanlly,additionallyy,additionaly,additionalyl,additionlaly,additionnally,additoinally,addittionally,addtiionally,adidtionally,aditionally,daditionally
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of additionally - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “additionally”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-D-D-I-T-I-O-N-A-L-L-Y - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “additional” - see the side-by-side comparison. additionally vs additional
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.