underwent
/ˌʌn.dəˈwɛnt/
"underwent" is a 9-letter English headword indexed on PlainSpell.
The verdict
“underwent” has 14 generated spelling variants in the English index at frequency #12,162. The variants make it a useful spelling check.
- #12,162
- frequency rank, English
- 1,433
- “U” headwords
- 14
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - simple past of undergo
Corpus desk
Index EN-underwent · underwent · English
underwent · rank #12,162 · 14 variants · 1 confusable
- FREQ-MID #12,162
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-LOW 1 pairs
- VAR-HIGH 14 variants
- BOOK-MID 1,433
- PHOTO-FINISH undermine
Nearest frequency peer: undermine (-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.
Rank peers near misspelling magnet “underwent”
Same rarity band: useful when a typo lands on a peer headword
- unconstitut…
unconstitutional
87,841 corpus weight
- undermine
undermine
87,840 corpus weight
- underwent
underwent
87,839 corpus weight
- vacancy
vacancy
87,838 corpus weight
- VAR
VAR
87,837 corpus weight
- veto
veto
87,836 corpus weight
What this shows “underwent” 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 | underwent |
| Language | English |
| Part of speech | Verb |
| IPA | /ˌʌn.dəˈwɛnt/ |
| Letters | 9 |
| Frequency rank | #12,162 |
| Misspellings tracked | 14 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “underwent”
A misspelling magnet
The generator records 14 spelling variants around underwent (IPA /ˌʌn.dəˈwɛnt/), averb. Corpus frequency is #12,162 among 1,433 “U” headwords. Dominant gloss: "simple past of undergo".
Our generated misspelling index lists 14 likely wrong-spelling variants for underwent, with forms such as "nuderwent", "udnerwent", and "undderwent". 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, "underwear", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
No explicit etymology string is stored for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is underwent, spelled U-N-D-E-R-W-E-N-T.
Definition
- 1simple past of undergo
Recorded use
Wiktionary exampleThese source excerpts show how underwent appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The repeated exposure, over decades, to most taxa here treated has resulted in repeated modifications of both diagnoses and discussions, as initial ideas of the various taxa underwent—often repeated—conceptual modification.
Common misspellings
Also misspelled as:
- nuderwent
- udnerwent
- undderwent
- underewnt
- underrwent
- underwennt
- underwentt
- underwetn
- underwnet
- underwwent
- undewrent
- undrewent
- unedrwent
- unnderwent
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of underwent - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "underwent", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (14 here; floor ≥5).