What's the "een" in Halloween?

12

12

Scrabble
Words With Friends

- sphenion
- spheno-
- sphenocephaly
- sphenodon
- sphenoethmoidal suture
- sphenogram
- sphenography
- sphenoid
- sphenoid bone
- sphenoid crest
- sphenoidal sinus
- sphenoidal spine
- sphenoiditis
- sphenoidotomy
- sphenopalatine artery
- sphenopalatine foramen
- sphenopalatine ganglion
- sphenoparietal sinus
- sphenopsid
- sphenorbital
- sphenotic
- spher-
- spheral
- sphere
- sphere of influence
- spheres
- spherical
- spherical aberration
- spherical angle
- spherical astronomy
- spherical coordinate
- spherical coordinates
- spherical excess
- spherical geometry
- spherical lens
- spherical polygon
- spherical sailing
- spherical triangle
- spherical trigonometry
- sphericity
- spherics
- sphero-
- spherocyte
- spherocytic anemia
- spherocytosis
- spheroid
- spheroid joint
- spheroidal
- spheroidal joint
- spheroidicity
- spherometer