addon
"addon" is a 5-letter English headword indexed on PlainSpell.
The verdict
“addon” has 5 generated spelling variants in the English index at frequency #45,188. The variants make it a useful spelling check.
- #45,188
- frequency rank, English
- 3,931
- “A” headwords
- 5
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative form of add-on.
Corpus desk
Index EN-addon · addon · English
addon · rank #45,188 · 5 variants · 20 confusables
- FREQ-MID #45,188
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-MID 5 variants
- BOOK-MID 3,931
- PHOTO-FINISH aerials
Nearest frequency peer: aerials (+2 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.
Rank peers near misspelling magnet “addon”
Same rarity band: useful when a typo lands on a peer headword
- addon
addon
54,813 corpus weight
- aerials
aerials
54,811 corpus weight
- affix
affix
54,810 corpus weight
- afoul
afoul
54,809 corpus weight
- Ahmadinejad
Ahmadinejad
54,808 corpus weight
- airlock
airlock
54,807 corpus weight
What this shows “addon” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.
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 | addon |
| Language | English |
| Part of speech | Noun |
| Letters | 5 |
| Frequency rank | #45,188 |
| Misspellings tracked | 5 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “addon”
A misspelling magnet
The generator records 5 spelling variants around addon, anoun. Corpus frequency is #45,188 among 3,931 “A” headwords. Dominant gloss: "Alternative form of add-on.".
Our generated misspelling index lists 5 likely wrong-spelling variants for addon, with forms such as "addno", "addonn", and "adodn". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "ado", "adds", "Avon", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: Deverbal from add on. The correct English form is addon, spelled A-D-D-O-N.
Definition
- 1Alternative form of add-on.
Etymology
Deverbal from add on.
Common misspellings
Also misspelled as:
- addno
- addonn
- adodn
- adon
- dadon
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of addon - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "addon", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (5 here; floor ≥5).