Words that start with su but sound like shu?

One Word that has sh but is spelled su is sugar. Others include "surely, sugary, sumac and sure." Also, there are many Words for which this occurs in the middle of the Word rather than in the beginning, e.g. "insure, tonsure, censure, composure, closure. Additionally, the 'ss' often heralds the 'sh' sound, and in many instances, this is followed by u, e.g. "pressure, assure, fissure, issue, tissue, etc."