The spelling of the word "grewcock" is relatively straightforward if you know how to read IPA phonetic transcription. The word is pronounced /ˈɡruːkɒk/, with emphasis on the first syllable. The "grew" part is pronounced like "groo" with a long "oo" sound. The "cock" part is pronounced like "cok" with a short "o" sound. Overall, the spelling of "grewcock" accurately represents its pronunciation and is easily recognizable once you understand how to read phonetic transcription.