Rossum

name

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

"rossum" is a 6-letter English headword indexed on PlainSpell.

The verdict

“Rossum” is uncommon English (frequency #67,804 among 3,094 “R” headwords), classed as a proper noun. The kind of spelling people second-guess.

#67,804
frequency rank, English
3,094
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An American surname from Dutch.

Corpus desk

Index EN-rossum · Rossum · English

Rossum · rank #67,804 · 0 variants · 0 confusables

  • FREQ-RARE #67,804
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH roofer

Nearest frequency peer: roofer (-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 “Rossum”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Rossum
PropertyValue
HeadwordRossum
LanguageEnglish
Part of speechProper noun
Letters6
Frequency rank#67,804
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Rossum” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).Rossumfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “roofer” (#67,803), “ronde” (#67,802), “rumination” (#67,806). Among 3,094 “R” headwords, “Rossum” is #67,804. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Rossum is uncommon English at frequency #67,804 among 3,094 “R” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "An American surname from Dutch.".

Rossum doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From the Dutch surname van Rossum. The correct English form is Rossum, spelled R-O-S-S-U-M.

Definition

  1. 1
    An American surname from Dutch.

Etymology

From the Dutch surname van Rossum.

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 "Rossum"?
"Rossum" is spelled R-O-S-S-U-M.
What does "Rossum" mean?
As a proper noun, "Rossum" means: An American surname from Dutch.
What is the origin of the word "Rossum"?
From the Dutch surname van Rossum. 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 "Rossum", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

roofer#67,803Scharf#67,812Serhiy#67,820serous#67,821

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

Source: FrequencyWords open word-frequency list