basis

/ˈbeɪ.sɪs/ ()

//ˈbeɪ.sɪs/ ()/ noun

The verdict

“basis” is uncommon Spanish (frequency #79,810 among 24,339 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#79,810
frequency rank, Spanish
24,339
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Base₁, pie, apoyo, sustento, soporte.

Key facts for basis
PropertyValue
Headwordbasis
LanguageSpanish
Part of speechNoun
IPA/ˈbeɪ.sɪs/ ()
Letters5
Frequency rank#79,810
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “basis” sits in Spanish frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

basis is uncommon Spanish at frequency #79,810 among 24,339 “B” headwords, classed as anoun, transcribed /ˈbeɪ.sɪs/ (). Rarity is why readers land here mid-draft. 8 senses are on record.

No generated misspelling entries exist for basis in our index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is basis, spelled B-A-S-I-S.

Definition

  1. 1
    Base₁, pie, apoyo, sustento, soporte.
  2. 2
    Base₂, fundamento, esencia, raíz.
  3. 3
    Una condición o circunstancia subyacente.
  4. 4
    Una frecuencia regular.
  5. 5
    La diferencia entre el precio en efectivo que un comerciante paga a un agricultor por su producto y un precio de referencia acordado, que suele ser el precio de futuros al que se negocia el cultivo determinado en una bolsa de productos básicos.
  6. 6
    En un espacio vectorial, un conjunto de vectores linealmente independientes que abarcan todo el espacio vectorial.
  7. 7
    Monto pagado por una inversión, incluyendo comisiones y otros gastos.
  8. 8
    Una colección de subconjuntos ('elementos base') de un conjunto, de modo que esta colección cubre el conjunto, y para dos elementos base cualesquiera que contengan un elemento del conjunto, hay un tercer elemento base contenido en la intersección de los primeros dos, que también contiene ese elemento.

Synonyms

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 "basis"?
"basis" is spelled B-A-S-I-S. The IPA pronunciation is /ˈbeɪ.sɪs/ ().
What does "basis" mean?
As a noun, "basis" means: Base₁, pie, apoyo, sustento, soporte.
How do you pronounce "basis"?
The IPA (International Phonetic Alphabet) transcription for "basis" is /ˈbeɪ.sɪs/ (). Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "basis" come from?
"basis" is a Spanish word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Using “basis”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is B-A-S-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈbeɪ.sɪs/ () (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words

Other uncommon Spanish words near this rank

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.

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

Source: FrequencyWords open word-frequency list