sinus

/\si.nys\/ noun

Letters

5 characters

Frequency Rank

#26,185

in French word usage

Misspellings

7

tracked variants

Confusables

20

similar word pairs

sinus is aFrenchnoun. It means: Formation anatomique creuse, liquidienne ou pneumatique. Pronounced \si.nys\. Often confused with sus and sis.

Key facts for sinus
PropertyValue
Headwordsinus
LanguageFrench
Part of speechNoun
IPA\si.nys\
Letters5
Frequency rank#26,185
Misspellings tracked7
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency rank visualization

Position of sinus in French word frequency (lower rank = more common)

Source: Wordfreq corpus

Spelling & Dictionary Insight

The French entry for sinus is 5 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as \si.nys\. Corpus data places it at rank #26,185 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it.Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our Hunspell-derived misspelling index lists 7 documented wrong-spelling variants for sinus, with forms such as "isnus", "sinnus", and "sinsu". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 20 confusable-pair relationships, "sus", "sis", "sous", and more, where similar look or sound leads writers to substitute one word for another in context.

No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. For readers arriving here from a spelling check, the authoritative guidance is: the correct French form is sinus, spelled S-I-N-U-S, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Formation anatomique creuse, liquidienne ou pneumatique.
  2. 2
    Cavité pneumatique irrégulière de certains os du crane.
  3. 3
    Aspect dilaté de certains vaisseaux, de certains conduits.
  4. 4
    Le sinus d’un angle dans un triangle rectangle est égal au rapport de la longueur du coté opposé à l’angle par celle de l’hypoténuse. Si on oriente les angles, le sinus est un nombre compris entre −1 et +1.
  5. 5
    Fonction trigonométrique. C’est une fonction de la variable réelle qui, à chaque réel α, associe le sinus de l’angle orienté de mesure α radians. Elle peut être définie comme somme d'une série entière convergente.

This word in other languages

Common misspellings

Also misspelled as: isnus,sinnus,sinsu,sinuss,siuns,snius,ssinus

Misspelling Pattern Breakdown

Relative frequency of common misspelling types for sinus

Misspelling Variants of "sinus"

isnus5sinnus6sinsu5sinuss6siuns5snius5ssinus6
Misspelling Variants of "sinus"

Frequency rank: #26,185 in French

Frequently Asked Questions

How do you spell "sinus"?
"sinus" is spelled S-I-N-U-S. The IPA pronunciation is \si.nys\.
What does "sinus" mean?
As a noun, "sinus" means: Formation anatomique creuse, liquidienne ou pneumatique.
What words are commonly confused with "sinus"?
"sinus" is commonly confused with "sus", "sis", "sous". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "sinus"?
The IPA (International Phonetic Alphabet) transcription for "sinus" is \si.nys\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "sinus" come from?
"sinus" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

Nearby French words

Other entries that begin with the letter S in our French index:

Explore PlainSpell

Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.