The spelling of the word "lacasse" follows the French pronunciation rules. In IPA phonetic transcription, it is written as /la.ka.s/. The first syllable "la" is pronounced with an open central unrounded vowel /a/, followed by a consonant "k" sound /k/. The second syllable "ka" has an open front unrounded vowel /a/ and a consonant "s" sound /s/. To correctly pronounce "lacasse," accentuate on the first syllable and pronounce the entire word as "la-kaas."