1noun
an abnormal passage leading from a suppurating cavity to the body surface
01 Word definition
sinus
5 letters · 2 vowels · 3 consonants
Is SINUS a word?
Yes. SINUS is a 5-letter noun. an abnormal passage leading from a suppurating cavity to the body surface Check the official dictionary for your particular word game before playing it.
Correct spelling
S-I-N-U-SHow do you spell SINUS?
SINUS contains 5 letters, begins with S, and ends with S.
Check another spelling →Meaning and definition
2noun
any of various air-filled cavities especially in the bones of the skull
Synonyms
Source: Open English WordNet 2025 (CC BY 4.0) ↗fistula
02 Letter breakdown
How is SINUS spelled?
S1I2N3U4S5
03 Word-game status
Can you play SINUS?
UnscramblerHQ dictionary
This spelling is present in our broad English solver dictionary.
Scrabble
Base tile value: 5 points. Confirm eligibility in the official word list used for your region and edition.
Words With Friends
Base tile value: 7 points. Confirm eligibility inside the current game dictionary.
04 Exact anagrams
The same letters, rearranged.
FAQ Quick answers
About SINUS.
How do you spell SINUS?
SINUS is spelled S-I-N-U-S. It contains 5 letters.