Tetanillas is a Spanish word that refers to a type of plant disease, caused by bacteria. The IPA phonetic transcription for the word is /tetani'ʎas/, with the stress on the second syllable (-ya-). The spelling reflects the Spanish pronunciation, with the letter "ll" pronounced as a soft "y" sound. The word is derived from the Greek word "tetanos," meaning "stiffness," and the Spanish suffix "-illas," indicating a diminutive form. Proper spelling is important in identifying and treating plant diseases effectively.