The word "frondesces" is a rare variation of the word "frondescence," which means the process of putting forth leaves. The phonetic transcription of "frondesces" is /frɒndɛsɪz/. The spelling of this word is based on its Latin roots, which end in "-escence" or "-escentia." The letter "d" is used rather than "t" in this instance to avoid the confusion that could arise from its similarity to "frontesces." Overall, "frondesces" is a unique and seldom-used word that requires careful spelling when it arises.