IPA: //pʌlˌkrɪtəˈdɪnəs//
KK: /pʌlˌkrɪtəˈdɪnəs/
Having great physical beauty and attractiveness.
The pulchritudinous landscape took my breath away.
Pulchritudinous is derived from "pulchritudo" (meaning beauty) in Latin, combined with the suffix "-ous" (meaning full of). The word describes someone or something that is full of beauty or possessing beauty.
Think of 'pulchritudo' which means beauty, and remember that 'pulchritudinous' means full of beauty.
No commonly confused words.