The word "petulcous" is not a commonly used word, and its spelling may cause confusion. It is pronounced /ˈpɛtəlkəs/, with the stress on the second syllable. The "p" is followed by "e" and "t", while the "u" is silent. The "l" is doubled, and the "c" is followed by "o" and "u", while the "s" is the final consonant. It is important to note that some people may incorrectly spell or pronounce this word, so it is always best to double-check its spelling and pronunciation if in doubt.