"Convulsional" is a word in ENGLISH

convulsional ENGLISH
Definition:

Pertaining to, or having, convulsions; convulsionary.

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The last time I checked, I wasn’t the one who tripped over a glass container of sugar that I had myself dropped... after, of course, having received several bruises from an attempt to retrieve a flip-flop that had somehow ended up in the sink.

Gina Marinello-Sweeney, I Thirst

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choreic ENGLISH

Of the nature of, or pertaining to, chorea; convulsive.

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convulsionary ENGLISH

Pertaining to convulsion; convulsive.

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hysterical ENGLISH

Of or pertaining to hysteria; affected, or troubled, with hysterics; convulsive, fitful.

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uraemic ENGLISH

Of or pertaining to uraemia; as, uraemic convulsions.

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