Osamu

name

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

"osamu" is a 5-letter English headword indexed on PlainSpell.

The verdict

“Osamu” is uncommon English (frequency #70,977 among 1,431 “O” headwords), classed as a proper noun. The kind of spelling people second-guess.

#70,977
frequency rank, English
1,431
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A male given name from Japanese.

Corpus desk

Index EN-osamu · Osamu · English

Osamu · rank #70,977 · 0 variants · 0 confusables

  • FREQ-RARE #70,977
  • LEN-MID 5 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH ornithological

Nearest frequency peer: ornithological (-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 “Osamu”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Osamu
PropertyValue
HeadwordOsamu
LanguageEnglish
Part of speechProper noun
Letters5
Frequency rank#70,977
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Osamu” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).Osamufalls 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: “ornithological” (#70,976), “outbuilding” (#70,979), “outflank” (#70,980). Among 1,431 “O” headwords, “Osamu” is #70,977. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Osamu is uncommon English at frequency #70,977 among 1,431 “O” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A male given name from Japanese.".

Our edit-distance generator produced no likely misspellings for Osamu, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Borrowed from Japanese おさむ (Osamu). The correct English form is Osamu, spelled O-S-A-M-U.

Definition

  1. 1
    A male given name from Japanese.

Etymology

Borrowed from Japanese おさむ (Osamu).

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 "Osamu"?
"Osamu" is spelled O-S-A-M-U.
What does "Osamu" mean?
As a proper noun, "Osamu" means: A male given name from Japanese.
What is the origin of the word "Osamu"?
Borrowed from Japanese おさむ (Osamu). 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 "Osamu", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

parle#70,993nervy#70,953murry#70,937porgy#71,018

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

Source: FrequencyWords open word-frequency list