The word "trans pierces" has an interesting spelling owing to its origins in Latin. The prefix "trans" meaning "across" is spelled with a silent s, hence the first part of the word is pronounced /trænz/. The second half, "pierces," is a verb form that comes from the noun "pierce." The -s in "pierces" is pronounced as a /z/ sound, as it is part of the verb's inflection. So, the full pronunciation of "trans pierces" is /trænz pɪrsɪz/.