ceratonia
Five syllables and only one of them is stressed. Everything before TOH is swallowed, everything after it is swallowed, and a listener is left guessing at four vowels out of five. The one letter that is genuinely misleading rather than merely faint is the c at the front.
C-E-R-A-T-O-N-I-A · Ceratonia siliqua
Greek keras, horn, named the tree for the shape of its pod. Greek k became Latin c, and English then softened that c to an s because an e follows it. So the first letter records a k that has not been pronounced in this word for two thousand years.
The carob, an evergreen of the eastern Mediterranean that carries long leathery pods full of sweet pulp. The pods are milled for carob powder and the seeds yield locust bean gum. The tree fruits on old wood and can crop for centuries.