additionally

adv

"additionally" is a 12-letter English headword indexed on PlainSpell.

The verdict

“additionally” has 14 generated spelling variants in the English index at frequency #5,097. The variants make it a useful spelling check.

#5,097
frequency rank, English
3,931
“A” headwords
14
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 2, 2026) - By way of addition; in addition to; also.

Corpus desk

Index EN-additionally · additionally · English

additionally · rank #5,097 · 14 variants · 1 confusable

  • FREQ-COMMON #5,097
  • LEN-MEGA 12 letters
  • VOW-6 6 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH wealthy

Nearest frequency peer: wealthy (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbourhood for “additionally”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “additionally” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 2, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

additionally vs additional
83% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for additionally
PropertyValue
Headwordadditionally
LanguageEnglish
Part of speechAdverb
Letters12
Frequency rank#5,097
Misspellings tracked14
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “additionally” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). additionally lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around additionally, anadverb. Corpus frequency is #5,097 among 3,931 “A” headwords. Dominant gloss: "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

  1. 1
    By way of addition; in addition to; also.

Recorded use

Wiktionary examples

These source excerpts show how additionally appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. It is nonobtuse if none its dihedral angles is obtuse, and acute if additionally none of them is right.
  2. Additionally, the more subgingival the restorative margin, the more tooth is reduced.

Etymology

From additional + -ly.

Synonyms

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.

addiitonally2additinoally2additioanlly2additionallyy1additionaly1additionalyl2additionlaly2additionnally1
Edit distance from "additionally"

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "additionally"?
"additionally" is spelled A-D-D-I-T-I-O-N-A-L-L-Y.
What does "additionally" mean?
As an adverb, "additionally" means: By way of addition; in addition to; also.
What words are commonly confused with "additionally"?
"additionally" is commonly confused with "additional". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "additionally"?
From additional + -ly. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "additionally", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

What to do next

You've looked up "additionally". Here's where to go from here.

  • This headword has one recorded confusable pair with "additional". View pair
  • 14 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #5,097 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "A" letter cohort. A–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list