Hypersonics is valid Scrabble Word

Is hypersonics a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is hypersonics valid Words with Friends?
Words with Friends NO

11 letters word
21 points in Scrabble
22 points in WWF

Definitions for HYPERSONICS in dictionary:

NOUN:

HYPERSONIC
the study of aircraft behaviour at speeds above Mach 5

Similar words containing SONIC without suffix s and without prefix hyper

sonic7 sonics8 bosonic11 masonic11 mesonic11 opsonic11 parsonic12 sonicate10 subsonic12 telsonic10 sonically14 sonicated12 sonicates11 sonicator11 thrasonic14 transonic11 ambisonics16 diapasonic15 hypersonic20 infrasonic15 parsonical14 sonicating13 sonication12 sonicators12 supersonic14 transonics12 transsonic12 ultrasonic12 freemasonic18 masonically18 quadrasonic23 sonications13 stereosonic13 supersonics15 thrasonical16 ultrasonics13 quadrasonics24 subsonically19 thrasonically21 hypersonically27 supersonically21 ultrasonically19

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