undid
/ʌnˈdɪd/
"undid" is a 5-letter English headword indexed on PlainSpell.
The verdict
“undid” is uncommon English (frequency #51,473 among 1,433 “U” headwords), classed as a verb. The kind of spelling people second-guess.
- #51,473
- frequency rank, English
- 1,433
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - simple past of undo
Corpus desk
Index EN-undid · undid · English
undid · rank #51,473 · 0 variants · 0 confusables
- FREQ-RARE #51,473
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,433
- PHOTO-FINISH unfocused
Nearest frequency peer: unfocused (+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.
Long-tail ranks near “undid”
Sparse band: bars invert rank so rarer forms read shorter
- unbelief
unbelief
48,531 corpus weight
- uncharacter…
uncharacteristically
48,530 corpus weight
- undid
undid
48,528 corpus weight
- unfocused
unfocused
48,527 corpus weight
- unimpeded
unimpeded
48,526 corpus weight
- unmotivated
unmotivated
48,524 corpus weight
What this shows Long-tail view: where “undid” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | undid |
| Language | English |
| Part of speech | Verb |
| IPA | /ʌnˈdɪd/ |
| Letters | 5 |
| Frequency rank | #51,473 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “undid” in English
Rare enough to double-check
undid is uncommon English at frequency #51,473 among 1,433 “U” headwords, classed as averb, transcribed /ʌnˈdɪd/. Rarity is why readers land here mid-draft. Gloss: "simple past of undo".
undid doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
No documented word history exists for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is undid, spelled U-N-D-I-D.
Definition
- 1simple past of undo
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 "undid", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).