We don't have synonyms for laske yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are latke, lake and lacke.
(n) :
Alternative spelling of lask. [(uncountable, chiefly veterinary medicine) Originally of both persons and animals, now only of animals: looseness of the bowels; diarrhoea; (countable) a bout of this ailment.]
(v) :
Alternative spelling of lask. [(intransitive, obsolete) To have loose bowels; to suffer from diarrhoea.]
(n) :
Alternative spelling of lask. [(uncountable, chiefly veterinary medicine) Originally of both persons and animals, now only of animals: looseness of the bowels; diarrhoea; (countable) a bout of this ailment.]
(v) :
Alternative spelling of lask. [(intransitive, obsolete) To have loose bowels; to suffer from diarrhoea.]