This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. Present participle of spasm.

"Legs anxiously spasming, the breath stuck in her throat in anticipation of her reaction."

spasmed    spasming    spasms   

fit    saltatorial spasm    mimetic spasm    nictitating spasm    carpopedal    tetanic spasm    spasm of accommodation    retrocollic spasm    bronchial spasm    inspiratory spasm   

chasm    phantasm   

twinge    tremor    convulsion    surge    paroxysm    gasp    outburst    jolt    agony    ache