osa

[ˈosa]

/[ˈosa]/ noun

The verdict

“osa” sits in 20 confusable pairs (corpus #22,441) as a noun. The look-alike neighbours are the real trap.

#22,441
frequency rank, Spanish
1,467
“O” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Forma del femenino singular de oso.

Corpus desk

Index ES-osa · osa · Spanish

osa · rank #22,441 · 0 variants · 20 confusables

  • FREQ-MID #22,441
  • LEN-MID 3 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 1,467
  • PHOTO-FINISH Olivera

Nearest frequency peer: Olivera (-1 rank slots)

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.

Vecinos de frecuencia del confusable “osa”

Pares de peso similar en el corpus, aparte de los confusables abajo

corpus weight

What this shows Las barras sitúan “osa” frente a los lemas españoles más cercanos por rango, no un reprint del escritorio de confusables.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

osa vs oz
33% similar
osa vs ou
33% similar
osa vs ot
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for osa
PropertyValue
Headwordosa
LanguageSpanish
Part of speechNoun
IPA[ˈosa]
Letters3
Frequency rank#22,441
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Rango de corpus junto a confusables de “osa”

La frecuencia va del puñado de palabras que usamos sin parar (izquierda) a la cola larga que apenas aparece (derecha).osacae aquí:

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

El eje es logarítmico: cada tick marca unas diez veces menos frecuencia. En la misma franja de rareza aparecen “Olivera” (#22,440), “otomano” (#22,442), “ojete” (#22,439). Entre 1,467 lemas con “O”, “osa” va en #22,441. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for osa is neighbouring look-alikes ("oz", "ou", …), not just typos; it is anoun pronounced [ˈosa]. Frequency #22,441 among 1,467 “O” headwords. Gloss: "Forma del femenino singular de oso.".

Zero misspellings are on record for osa in our index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "oz", "ou", "ot", and more, where similar look or sound leads writers to substitute one word for another in context.

This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is osa, spelled O-S-A.

Definition

  1. 1
    Forma del femenino singular de oso.

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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "osa"?
"osa" is spelled O-S-A. The IPA pronunciation is [ˈosa].
What does "osa" mean?
As a noun, "osa" means: Forma del femenino singular de oso.
What words are commonly confused with "osa"?
"osa" is commonly confused with "oz", "ou", "ot". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "osa"?
The IPA (International Phonetic Alphabet) transcription for "osa" is [ˈosa]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "osa" come from?
"osa" is a Spanish word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 Spanish words by spelling shape

Same letter count and similar misspelling depth for "osa", not the corpus desk frequency band.

Same letter count

Frequency-ranked Spanish headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list