"Pulicous" is a rare term that can be challenging to spell correctly. This adjective is pronounced /ˈpjuːlɪkəs/ in IPA phonetic transcription. The word is derived from the Latin "pulex," which means flea. It refers to something that is infested with fleas or flea-like parasites. The spelling of "pulicous" can be tricky due to the silent "c" in the middle of the word. However, with practice and the use of phonetic transcription, one can learn to spell this word with ease.