Sommerfeld
"sommerfeld" is a 10-letter English headword indexed on PlainSpell.
The verdict
“Sommerfeld” is uncommon English (frequency #99,884 among 6,566 “S” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #99,884
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A surname from German.
Corpus desk
Index EN-sommerfeld · Sommerfeld · English
Sommerfeld · rank #99,884 · 0 variants · 0 confusables
- FREQ-RARE #99,884
- LEN-MEGA 10 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH soldiery
Nearest frequency peer: soldiery (-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.
Frequency neighbourhood for “Sommerfeld”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- soke
soke
121 corpus weight
- soldiery
soldiery
119 corpus weight
- Sommerfeld
Sommerfeld
117 corpus weight
- spearfish
spearfish
115 corpus weight
- spiker
spiker
111 corpus weight
- spined
spined
110 corpus weight
What this shows Bars show where “Sommerfeld” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | Sommerfeld |
| Language | English |
| Part of speech | Proper noun |
| Letters | 10 |
| Frequency rank | #99,884 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Sommerfeld” sits in English frequency
Rare enough to double-check
Sommerfeld is uncommon English at frequency #99,884 among 6,566 “S” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A surname from German.".
Sommerfeld doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: Borrowed from German Sommerfeld. The correct English form is Sommerfeld, spelled S-O-M-M-E-R-F-E-L-D.
Definition
- 1A surname from German.
Etymology
Borrowed from German Sommerfeld.
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 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "Sommerfeld", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).
What to do next
You've looked up "Sommerfeld". Here's where to go from here.
- Usage frequency rank #99,884 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "S" letter cohort. S–Z browse
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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.