Rydberg

name

By · According to Wiktionary data (CC BY-SA) ·

"rydberg" is a 7-letter English headword indexed on PlainSpell.

The verdict

“Rydberg” is uncommon English (frequency #83,699 among 3,094 “R” headwords), classed as a proper noun. The kind of spelling people second-guess.

#83,699
frequency rank, English
3,094
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A surname from Swedish.

Corpus desk

Index EN-rydberg · Rydberg · English

Rydberg · rank #83,699 · 0 variants · 0 confusables

  • FREQ-RARE #83,699
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH Rutherglen

Nearest frequency peer: Rutherglen (-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 “Rydberg”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “Rydberg” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Rydberg
PropertyValue
HeadwordRydberg
LanguageEnglish
Part of speechProper noun
Letters7
Frequency rank#83,699
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Rydberg” in English

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

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Rutherglen” (#83,698), “sackcloth” (#83,702), “Safar” (#83,703). Among 3,094 “R” headwords, “Rydberg” is #83,699. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Rydberg is uncommon English at frequency #83,699 among 3,094 “R” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for Rydberg, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Swedish. The correct English form is Rydberg, spelled R-Y-D-B-E-R-G.

Definition

  1. 1
    A surname from Swedish.
  2. 2
    A lunar impact crater that is located on the far side of the Moon.

Etymology

From Swedish.

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

How do you spell "Rydberg"?
"Rydberg" is spelled R-Y-D-B-E-R-G.
What does "Rydberg" mean?
As a proper noun, "Rydberg" means: A surname from Swedish.
What is the origin of the word "Rydberg"?
From Swedish. 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 "Rydberg", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

ruddock#83,694Samburu#83,705sandlot#83,708Rogaine#83,688

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

Source: FrequencyWords open word-frequency list