We don't have synonyms for potato crisps yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are potato crisp and potato chips.
(n) :
(Ireland, UK, chiefly in the plural) A thin slice of potato that has been deep-fried until it is brittle and crispy, and which is eaten when cool; they are typically packaged and sold as a snack.
(n) :
(Ireland, UK, chiefly in the plural) A thin slice of potato that has been deep-fried until it is brittle and crispy, and which is eaten when cool; they are typically packaged and sold as a snack.