Obstruent Obstruent An obstruent is a speech sound such as , , or that is formed by "obstructing" airflow. Obstruents contrast with sonorants, which have no such obstruction and so resonate. All obstruents are consonants, but sonorants include both vowels and consonants. Obstruents are subdivided into plosives (oral stops), such as , with complete occlusion of the vocal tract, often followed by a release burst; fricatives, such as , with limited closure, not stopping airflow but making it turbulent; and affricates, which begin with complete occlusion but then release into a fricative-like release, such as . Obstruents are prototypically voiceless, but
The Old Castle's Other Secret or A Letter from Home McDuck spirit of adventure he sees in his younger relatives has inspired him to return to a life of adventure ever since he first met them. With this confession on behalf of Scrooge that he does care about his family, he and Matilda make up at last. The Old Castle's Other Secret or A Letter from Home "The Old Castle's "Other" Secret", alternately titled "A Letter From Home", is Don Rosa's sequel to "The Crown of the Crusader Kings". The title is a reference to "The Old Castle's Secret", which was the second story to feature Scrooge McDuck and was